1,209,124

2² × 7² × 31 × 199

Prime Factor Structure

Factorization String 2^2 × 7^2 × 31 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 2,553,600

Proper Divisor Sum 1,344,476

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1209121 ← → #1209139

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

1,209,124 604,562 302,281 906,844 453,422 226,711 680,134 340,067 1,020,202 510,101 1,530,304 765,152 382,576 191,288 95,644 47,822 23,911 71,734 35,867 107,602 53,801 161,404 80,702 40,351 121,054 60,527 181,582 90,791 272,374 136,187 408,562 204,281 612,844 306,422 153,211 459,634 229,817 689,452 344,726 172,363 517,090 258,545 775,636 387,818 193,909 581,728 290,864 145,432 72,716 36,358 18,179 54,538 27,269 81,808 40,904 20,452 10,226 5,113 15,340 7,670

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