125131950 has 36 divisors (see below), whose sum is σ = 336189048. Its totient is φ = 33368400.

The previous prime is 125131949. The next prime is 125131961. The reversal of 125131950 is 59131521.

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 17 ways as a sum of consecutive naturals, for example, 138586 + ... + 139485.

Almost surely, 2^125131950 is an apocalyptic number.

125131950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125131950 is an abundant number, since it is smaller than the sum of its proper divisors (211057098).

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

125131950 is a wasteful number, since it uses less digits than its factorization.

125131950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278089 (or 278081 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 125131950 is about 11186.2393144434. The cubic root of 125131950 is about 500.1758714645.

The spelling of 125131950 in words is "one hundred twenty-five million, one hundred thirty-one thousand, nine hundred fifty".