125329520 has 40 divisors (see below), whose sum is σ = 298175856. Its totient is φ = 48964608.

The previous prime is 125329517. The next prime is 125329541. The reversal of 125329520 is 25923521.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 14777 + ... + 21656.

Almost surely, 2^125329520 is an apocalyptic number.

125329520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125329520 is an abundant number, since it is smaller than the sum of its proper divisors (172846336).

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

125329520 is a wasteful number, since it uses less digits than its factorization.

125329520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36489 (or 36483 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 125329520 is about 11195.0667706807. The cubic root of 125329520 is about 500.4389744900.

The spelling of 125329520 in words is "one hundred twenty-five million, three hundred twenty-nine thousand, five hundred twenty".