125015564 has 6 divisors (see below), whose sum is σ = 218777244. Its totient is φ = 62507780.

The previous prime is 125015551. The next prime is 125015567. The reversal of 125015564 is 465510521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125015567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15626942 + ... + 15626949.

It is an arithmetic number, because the mean of its divisors is an integer number (36462874).

Almost surely, 2^125015564 is an apocalyptic number.

It is an amenable number.

125015564 is a deficient number, since it is larger than the sum of its proper divisors (93761680).

125015564 is a wasteful number, since it uses less digits than its factorization.

125015564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31253895 (or 31253893 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 125015564 is about 11181.0359090739. The cubic root of 125015564 is about 500.0207511388.

The spelling of 125015564 in words is "one hundred twenty-five million, fifteen thousand, five hundred sixty-four".