125039680 has 56 divisors (see below), whose sum is σ = 298825920. Its totient is φ = 49835520.

The previous prime is 125039669. The next prime is 125039711. The reversal of 125039680 is 86930521.

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, 120765 + ... + 121795.

Almost surely, 2^125039680 is an apocalyptic number.

125039680 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 125039680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149412960).

125039680 is an abundant number, since it is smaller than the sum of its proper divisors (173786240).

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

125039680 is a wasteful number, since it uses less digits than its factorization.

125039680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 125039680 is about 11182.1142902405. The cubic root of 125039680 is about 500.0529010694.

The spelling of 125039680 in words is "one hundred twenty-five million, thirty-nine thousand, six hundred eighty".