125917056 has 48 divisors (see below), whose sum is σ = 362342760. Its totient is φ = 41971968.

The previous prime is 125917037. The next prime is 125917063. The reversal of 125917056 is 650719521.

125917056 is a `hidden beast` number, since 12 + 591 + 7 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125917056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53500 + ... + 55803.

Almost surely, 2^125917056 is an apocalyptic number.

125917056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125917056 is an abundant number, since it is smaller than the sum of its proper divisors (236425704).

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

125917056 is a wasteful number, since it uses less digits than its factorization.

125917056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109323 (or 109308 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 125917056 is about 11221.2769326846. The cubic root of 125917056 is about 501.2197632687.

The spelling of 125917056 in words is "one hundred twenty-five million, nine hundred seventeen thousand, fifty-six".