125319438 has 24 divisors (see below), whose sum is σ = 274965600. Its totient is φ = 41243904.

The previous prime is 125319431. The next prime is 125319443. The reversal of 125319438 is 834913521.

125319438 is a `hidden beast` number, since 1 + 2 + 531 + 94 + 38 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125319431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42643 + ... + 45486.

It is an arithmetic number, because the mean of its divisors is an integer number (11456900).

Almost surely, 2^125319438 is an apocalyptic number.

125319438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

125319438 is an abundant number, since it is smaller than the sum of its proper divisors (149646162).

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

125319438 is a wasteful number, since it uses less digits than its factorization.

125319438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88216 (or 88213 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 125319438 is about 11194.6164740021. The cubic root of 125319438 is about 500.4255550364.

The spelling of 125319438 in words is "one hundred twenty-five million, three hundred nineteen thousand, four hundred thirty-eight".