125670564 has 36 divisors (see below), whose sum is σ = 320180224. Its totient is φ = 41558832.

The previous prime is 125670557. The next prime is 125670583. The reversal of 125670564 is 465076521.

It is a happy number.

125670564 is a `hidden beast` number, since 1 + 25 + 6 + 70 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9172 + ... + 18315.

Almost surely, 2^125670564 is an apocalyptic number.

It is an amenable number.

125670564 is an abundant number, since it is smaller than the sum of its proper divisors (194509660).

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

125670564 is a wasteful number, since it uses less digits than its factorization.

125670564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27624 (or 27619 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 125670564 is about 11210.2883102978. The cubic root of 125670564 is about 500.8924913040.

The spelling of 125670564 in words is "one hundred twenty-five million, six hundred seventy thousand, five hundred sixty-four".