125064636 has 12 divisors (see below), whose sum is σ = 291817512. Its totient is φ = 41688208.

The previous prime is 125064623. The next prime is 125064661. The reversal of 125064636 is 636460521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 125064597 and 125064606.

It is a congruent number.

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, 5211015 + ... + 5211038.

It is an arithmetic number, because the mean of its divisors is an integer number (24318126).

Almost surely, 2^125064636 is an apocalyptic number.

It is an amenable number.

125064636 is an abundant number, since it is smaller than the sum of its proper divisors (166752876).

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

125064636 is a wasteful number, since it uses less digits than its factorization.

125064636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10422060 (or 10422058 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 125064636 is about 11183.2301237165. The cubic root of 125064636 is about 500.0861664832.

The spelling of 125064636 in words is "one hundred twenty-five million, sixty-four thousand, six hundred thirty-six".