125731180 has 48 divisors (see below), whose sum is σ = 273452256. Its totient is φ = 48522240.

The previous prime is 125731169. The next prime is 125731219. The reversal of 125731180 is 81137521.

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, 96292 + ... + 97588.

It is an arithmetic number, because the mean of its divisors is an integer number (5696922).

Almost surely, 2^125731180 is an apocalyptic number.

125731180 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 125731180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136726128).

125731180 is an abundant number, since it is smaller than the sum of its proper divisors (147721076).

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

125731180 is a wasteful number, since it uses less digits than its factorization.

125731180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 125731180 is about 11212.9915722790. The cubic root of 125731180 is about 500.9730119340.

The spelling of 125731180 in words is "one hundred twenty-five million, seven hundred thirty-one thousand, one hundred eighty".