125939492 has 12 divisors (see below), whose sum is σ = 251879040. Its totient is φ = 53974056.

The previous prime is 125939491. The next prime is 125939503. The reversal of 125939492 is 294939521.

It is a happy number.

125939492 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (125939491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2248892 + ... + 2248947.

It is an arithmetic number, because the mean of its divisors is an integer number (20989920).

Almost surely, 2^125939492 is an apocalyptic number.

It is an amenable number.

125939492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125939492 is a wasteful number, since it uses less digits than its factorization.

125939492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497850 (or 4497848 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 125939492 is about 11222.2765961279. The cubic root of 125939492 is about 501.2495307446.

The spelling of 125939492 in words is "one hundred twenty-five million, nine hundred thirty-nine thousand, four hundred ninety-two".