125115644 has 12 divisors (see below), whose sum is σ = 221210304. Its totient is φ = 61912704.

The previous prime is 125115629. The next prime is 125115667. The reversal of 125115644 is 446511521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160844 + ... + 161619.

It is an arithmetic number, because the mean of its divisors is an integer number (18434192).

Almost surely, 2^125115644 is an apocalyptic number.

It is an amenable number.

125115644 is a deficient number, since it is larger than the sum of its proper divisors (96094660).

125115644 is a wasteful number, since it uses less digits than its factorization.

125115644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322564 (or 322562 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 125115644 is about 11185.5104487904. The cubic root of 125115644 is about 500.1541444741.

The spelling of 125115644 in words is "one hundred twenty-five million, one hundred fifteen thousand, six hundred forty-four".