125127564 has 12 divisors (see below), whose sum is σ = 291964344. Its totient is φ = 41709184.

The previous prime is 125127553. The next prime is 125127571. The reversal of 125127564 is 465721521.

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

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, 5213637 + ... + 5213660.

It is an arithmetic number, because the mean of its divisors is an integer number (24330362).

Almost surely, 2^125127564 is an apocalyptic number.

It is an amenable number.

125127564 is an abundant number, since it is smaller than the sum of its proper divisors (166836780).

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

125127564 is a wasteful number, since it uses less digits than its factorization.

125127564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427304 (or 10427302 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 125127564 is about 11186.0432682875. The cubic root of 125127564 is about 500.1700275081.

The spelling of 125127564 in words is "one hundred twenty-five million, one hundred twenty-seven thousand, five hundred sixty-four".