125817560 has 32 divisors (see below), whose sum is σ = 308826000. Its totient is φ = 45751680.

The previous prime is 125817553. The next prime is 125817569. The reversal of 125817560 is 65718521.

It is a self number, because there is not a number n which added to its sum of digits gives 125817560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125817569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142535 + ... + 143414.

Almost surely, 2^125817560 is an apocalyptic number.

125817560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125817560 is an abundant number, since it is smaller than the sum of its proper divisors (183008440).

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

125817560 is a wasteful number, since it uses less digits than its factorization.

125817560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285971 (or 285967 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 125817560 is about 11216.8426930220. The cubic root of 125817560 is about 501.0877120491.

The spelling of 125817560 in words is "one hundred twenty-five million, eight hundred seventeen thousand, five hundred sixty".