125879740 has 96 divisors (see below), whose sum is σ = 311794560. Its totient is φ = 41803776.

The previous prime is 125879737. The next prime is 125879773. The reversal of 125879740 is 47978521.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1113924 + ... + 1114036.

It is an arithmetic number, because the mean of its divisors is an integer number (3247860).

Almost surely, 2^125879740 is an apocalyptic number.

125879740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125879740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155897280).

125879740 is an abundant number, since it is smaller than the sum of its proper divisors (185914820).

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

125879740 is a wasteful number, since it uses less digits than its factorization.

125879740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 125879740 is about 11219.6140753593. The cubic root of 125879740 is about 501.1702455804.

The spelling of 125879740 in words is "one hundred twenty-five million, eight hundred seventy-nine thousand, seven hundred forty".