125605560 has 64 divisors (see below), whose sum is σ = 381386880. Its totient is φ = 33088640.

The previous prime is 125605559. The next prime is 125605577. The reversal of 125605560 is 65506521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3655 + ... + 16265.

It is an arithmetic number, because the mean of its divisors is an integer number (5959170).

Almost surely, 2^125605560 is an apocalyptic number.

125605560 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 125605560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190693440).

125605560 is an abundant number, since it is smaller than the sum of its proper divisors (255781320).

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

125605560 is a wasteful number, since it uses less digits than its factorization.

125605560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12708 (or 12704 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 125605560 is about 11207.3886342894. The cubic root of 125605560 is about 500.8061129986.

The spelling of 125605560 in words is "one hundred twenty-five million, six hundred five thousand, five hundred sixty".