125305560 has 96 divisors (see below), whose sum is σ = 411175440. Its totient is φ = 33092352.

The previous prime is 125305559. The next prime is 125305591. The reversal of 125305560 is 65503521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36894 + ... + 40146.

Almost surely, 2^125305560 is an apocalyptic number.

125305560 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 125305560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205587720).

125305560 is an abundant number, since it is smaller than the sum of its proper divisors (285869880).

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

125305560 is a wasteful number, since it uses less digits than its factorization.

125305560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377 (or 3370 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 125305560 is about 11193.9966053238. The cubic root of 125305560 is about 500.4070818122.

The spelling of 125305560 in words is "one hundred twenty-five million, three hundred five thousand, five hundred sixty".