125768520 has 48 divisors (see below), whose sum is σ = 408748860. Its totient is φ = 33538176.

The previous prime is 125768509. The next prime is 125768537. The reversal of 125768520 is 25867521.

It is a happy number.

125768520 is a `hidden beast` number, since 1 + 2 + 576 + 85 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124947684 + 820836 = 11178^2 + 906^2 .

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

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, 174319 + ... + 175038.

Almost surely, 2^125768520 is an apocalyptic number.

125768520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125768520 is an abundant number, since it is smaller than the sum of its proper divisors (282980340).

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

125768520 is a wasteful number, since it uses less digits than its factorization.

125768520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349374 (or 349367 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 125768520 is about 11214.6564815869. The cubic root of 125768520 is about 501.0226004840.

Subtracting from 125768520 its reverse (25867521), we obtain a palindrome (99900999).

The spelling of 125768520 in words is "one hundred twenty-five million, seven hundred sixty-eight thousand, five hundred twenty".