125657568 has 60 divisors (see below), whose sum is σ = 369563040. Its totient is φ = 41884992.

The previous prime is 125657537. The next prime is 125657569. The reversal of 125657568 is 865756521.

125657568 is a `hidden beast` number, since 1 + 25 + 65 + 7 + 568 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125657569) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21648 + ... + 26831.

It is an arithmetic number, because the mean of its divisors is an integer number (6159384).

Almost surely, 2^125657568 is an apocalyptic number.

125657568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

125657568 is an abundant number, since it is smaller than the sum of its proper divisors (243905472).

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

125657568 is an equidigital number, since it uses as much as digits as its factorization.

125657568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48501 (or 48484 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 125657568 is about 11209.7086492023. The cubic root of 125657568 is about 500.8752244039.

The spelling of 125657568 in words is "one hundred twenty-five million, six hundred fifty-seven thousand, five hundred sixty-eight".