125315580 has 96 divisors (see below), whose sum is σ = 379782144. Its totient is φ = 30691584.

The previous prime is 125315579. The next prime is 125315611. The reversal of 125315580 is 85513521.

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 31 ways as a sum of consecutive naturals, for example, 270429 + ... + 270891.

It is an arithmetic number, because the mean of its divisors is an integer number (3956064).

Almost surely, 2^125315580 is an apocalyptic number.

125315580 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 125315580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189891072).

125315580 is an abundant number, since it is smaller than the sum of its proper divisors (254466564).

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

125315580 is a wasteful number, since it uses less digits than its factorization.

125315580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 125315580 is about 11194.4441577061. Note that the first 3 decimals coincide. The cubic root of 125315580 is about 500.4204197288.

The spelling of 125315580 in words is "one hundred twenty-five million, three hundred fifteen thousand, five hundred eighty".