125129492 has 12 divisors (see below), whose sum is σ = 219159360. Its totient is φ = 62512536.

The previous prime is 125129491. The next prime is 125129507. The reversal of 125129492 is 294921521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125129491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7388 + ... + 17459.

It is an arithmetic number, because the mean of its divisors is an integer number (18263280).

Almost surely, 2^125129492 is an apocalyptic number.

It is an amenable number.

125129492 is a deficient number, since it is larger than the sum of its proper divisors (94029868).

125129492 is a wasteful number, since it uses less digits than its factorization.

125129492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26110 (or 26108 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 125129492 is about 11186.1294467747. The cubic root of 125129492 is about 500.1725964141.

The spelling of 125129492 in words is "one hundred twenty-five million, one hundred twenty-nine thousand, four hundred ninety-two".