125722180 has 48 divisors (see below), whose sum is σ = 273208320. Its totient is φ = 48567168.

The previous prime is 125722171. The next prime is 125722187. The reversal of 125722180 is 81227521.

It is not an unprimeable number, because it can be changed into a prime (125722187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73414 + ... + 75106.

It is an arithmetic number, because the mean of its divisors is an integer number (5691840).

Almost surely, 2^125722180 is an apocalyptic number.

125722180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125722180 is an abundant number, since it is smaller than the sum of its proper divisors (147486140).

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

125722180 is a wasteful number, since it uses less digits than its factorization.

125722180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828 (or 1826 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 125722180 is about 11212.5902448988. The cubic root of 125722180 is about 500.9610582173.

The spelling of 125722180 in words is "one hundred twenty-five million, seven hundred twenty-two thousand, one hundred eighty".