125251880 has 32 divisors (see below), whose sum is σ = 303496200. Its totient is φ = 46246656.

The previous prime is 125251831. The next prime is 125251883. The reversal of 125251880 is 88152521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 57123364 + 68128516 = 7558^2 + 8254^2 .

It is not an unprimeable number, because it can be changed into a prime (125251883) 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, 119915 + ... + 120954.

Almost surely, 2^125251880 is an apocalyptic number.

125251880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125251880 is an abundant number, since it is smaller than the sum of its proper divisors (178244320).

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

125251880 is a wasteful number, since it uses less digits than its factorization.

125251880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240893 (or 240889 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 125251880 is about 11191.5986346902. The cubic root of 125251880 is about 500.3356146752.

The spelling of 125251880 in words is "one hundred twenty-five million, two hundred fifty-one thousand, eight hundred eighty".