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120976405 = 5112199961
BaseRepresentation
bin1110011010111…
…11010000010101
322102122020102121
413031133100111
5221432221110
620000535541
72666165614
oct715372025
9272566377
10120976405
1162319400
12346215b1
131c0a9494
14120d187b
15a949cda
hex735f415

120976405 has 12 divisors (see below), whose sum is σ = 159569676. Its totient is φ = 87982400.

The previous prime is 120976399. The next prime is 120976411. The reversal of 120976405 is 504679021.

It is an interprime number because it is at equal distance from previous prime (120976399) and next prime (120976411).

It can be written as a sum of positive squares in 2 ways, for example, as 86601636 + 34374769 = 9306^2 + 5863^2 .

It is not a de Polignac number, because 120976405 - 23 = 120976397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99376 + ... + 100585.

It is an arithmetic number, because the mean of its divisors is an integer number (13297473).

Almost surely, 2120976405 is an apocalyptic number.

It is an amenable number.

120976405 is a deficient number, since it is larger than the sum of its proper divisors (38593271).

120976405 is a wasteful number, since it uses less digits than its factorization.

120976405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199988 (or 199977 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 120976405 is about 10998.9274477105. The cubic root of 120976405 is about 494.5765926665.

The spelling of 120976405 in words is "one hundred twenty million, nine hundred seventy-six thousand, four hundred five".

Divisors: 1 5 11 55 121 605 199961 999805 2199571 10997855 24195281 120976405