125239679320 has 128 divisors (see below), whose sum is σ = 341467176960. Its totient is φ = 40356771840.

The previous prime is 125239679309. The next prime is 125239679321. The reversal of 125239679320 is 23976932521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125239679321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3442425 + ... + 3478615.

It is an arithmetic number, because the mean of its divisors is an integer number (2667712320).

Almost surely, 2^125239679320 is an apocalyptic number.

125239679320 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 125239679320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170733588480).

125239679320 is an abundant number, since it is smaller than the sum of its proper divisors (216227497640).

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

125239679320 is a wasteful number, since it uses less digits than its factorization.

125239679320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36953 (or 36949 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 49.

It can be divided in two parts, 1252396 and 79320, that added together give a square (1331716 = 1154²).

The spelling of 125239679320 in words is "one hundred twenty-five billion, two hundred thirty-nine million, six hundred seventy-nine thousand, three hundred twenty".