125142512 has 40 divisors (see below), whose sum is σ = 278434560. Its totient is φ = 53887680.

The previous prime is 125142499. The next prime is 125142539. The reversal of 125142512 is 215241521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15368 + ... + 22055.

It is an arithmetic number, because the mean of its divisors is an integer number (6960864).

Almost surely, 2^125142512 is an apocalyptic number.

It is an amenable number.

125142512 is an abundant number, since it is smaller than the sum of its proper divisors (153292048).

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

125142512 is a wasteful number, since it uses less digits than its factorization.

125142512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37461 (or 37455 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 125142512 is about 11186.7114023738. The cubic root of 125142512 is about 500.1899438335.

Subtracting 125142512 from its reverse (215241521), we obtain a palindrome (90099009).

The spelling of 125142512 in words is "one hundred twenty-five million, one hundred forty-two thousand, five hundred twelve".