125913664 has 28 divisors (see below), whose sum is σ = 256617724. Its totient is φ = 61254144.

The previous prime is 125913659. The next prime is 125913673. The reversal of 125913664 is 466319521.

It can be written as a sum of positive squares in 2 ways, for example, as 95883264 + 30030400 = 9792^2 + 5480^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24219 + ... + 28954.

Almost surely, 2^125913664 is an apocalyptic number.

It is an amenable number.

125913664 is an abundant number, since it is smaller than the sum of its proper divisors (130704060).

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

125913664 is an equidigital number, since it uses as much as digits as its factorization.

125913664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53222 (or 53212 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 125913664 is about 11221.1257902227. The cubic root of 125913664 is about 501.2152625475.

The spelling of 125913664 in words is "one hundred twenty-five million, nine hundred thirteen thousand, six hundred sixty-four".