125500664 has 32 divisors (see below), whose sum is σ = 252331200. Its totient is φ = 58306560.

The previous prime is 125500657. The next prime is 125500717. The reversal of 125500664 is 466005521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4904 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (7885350).

Almost surely, 2^125500664 is an apocalyptic number.

It is an amenable number.

125500664 is an abundant number, since it is smaller than the sum of its proper divisors (126830536).

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

125500664 is a wasteful number, since it uses less digits than its factorization.

125500664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11783 (or 11779 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 125500664 is about 11202.7078869352. The cubic root of 125500664 is about 500.6666627266. Note that the first 5 decimals are identical.

The spelling of 125500664 in words is "one hundred twenty-five million, five hundred thousand, six hundred sixty-four".