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121454970 = 235713172617
BaseRepresentation
bin1110011110101…
…00000101111010
322110112112220020
413033110011322
5222043024340
620015111310
73003231060
oct717240572
9273475806
10121454970
1162615a0a
1234812536
131c216260
14121b8030
15a9e19d0
hex73d417a

121454970 has 128 divisors (see below), whose sum is σ = 380007936. Its totient is φ = 24109056.

The previous prime is 121454939. The next prime is 121454989. The reversal of 121454970 is 79454121.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45102 + ... + 47718.

It is an arithmetic number, because the mean of its divisors is an integer number (2968812).

Almost surely, 2121454970 is an apocalyptic number.

121454970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121454970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190003968).

121454970 is an abundant number, since it is smaller than the sum of its proper divisors (258552966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121454970 is a wasteful number, since it uses less digits than its factorization.

121454970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 121454970 is about 11020.6610509533. The cubic root of 121454970 is about 495.2278922081.

The spelling of 121454970 in words is "one hundred twenty-one million, four hundred fifty-four thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 7 10 13 14 15 17 21 26 30 34 35 39 42 51 65 70 78 85 91 102 105 119 130 170 182 195 210 221 238 255 273 357 390 442 455 510 546 595 663 714 910 1105 1190 1326 1365 1547 1785 2210 2617 2730 3094 3315 3570 4641 5234 6630 7735 7851 9282 13085 15470 15702 18319 23205 26170 34021 36638 39255 44489 46410 54957 68042 78510 88978 91595 102063 109914 133467 170105 183190 204126 222445 238147 266934 274785 311423 340210 444890 476294 510315 549570 578357 622846 667335 714441 934269 1020630 1156714 1190735 1334670 1428882 1557115 1735071 1868538 2381470 2891785 3114230 3470142 3572205 4048499 4671345 5783570 7144410 8096998 8675355 9342690 12145497 17350710 20242495 24290994 40484990 60727485 121454970