125664726 has 16 divisors (see below), whose sum is σ = 274177728. Its totient is φ = 38080200.

The previous prime is 125664677. The next prime is 125664751. The reversal of 125664726 is 627466521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951940 + ... + 952071.

It is an arithmetic number, because the mean of its divisors is an integer number (17136108).

Almost surely, 2^125664726 is an apocalyptic number.

125664726 is an abundant number, since it is smaller than the sum of its proper divisors (148513002).

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

125664726 is a wasteful number, since it uses less digits than its factorization.

125664726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904027.

The product of its digits is 120960, while the sum is 39.

The square root of 125664726 is about 11210.0279214639. The cubic root of 125664726 is about 500.8847348983.

The spelling of 125664726 in words is "one hundred twenty-five million, six hundred sixty-four thousand, seven hundred twenty-six".