125136488 has 8 divisors (see below), whose sum is σ = 234630930. Its totient is φ = 62568240.

The previous prime is 125136467. The next prime is 125136497. The reversal of 125136488 is 884631521.

It can be written as a sum of positive squares in only one way, i.e., 62758084 + 62378404 = 7922^2 + 7898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7821023 + ... + 7821038.

Almost surely, 2^125136488 is an apocalyptic number.

It is an amenable number.

125136488 is a deficient number, since it is larger than the sum of its proper divisors (109494442).

125136488 is a wasteful number, since it uses less digits than its factorization.

125136488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642067 (or 15642063 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 125136488 is about 11186.4421511042. The cubic root of 125136488 is about 500.1819178038.

The spelling of 125136488 in words is "one hundred twenty-five million, one hundred thirty-six thousand, four hundred eighty-eight".