125218120 has 16 divisors (see below), whose sum is σ = 281740860. Its totient is φ = 50087232.

The previous prime is 125218117. The next prime is 125218139. The reversal of 125218120 is 21812521.

It can be written as a sum of positive squares in 2 ways, for example, as 124411716 + 806404 = 11154^2 + 898^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125218091 and 125218100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565187 + ... + 1565266.

Almost surely, 2^125218120 is an apocalyptic number.

125218120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125218120 is an abundant number, since it is smaller than the sum of its proper divisors (156522740).

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

125218120 is a wasteful number, since it uses less digits than its factorization.

125218120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130464 (or 3130460 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 125218120 is about 11190.0902587959. The cubic root of 125218120 is about 500.2906576702.

The spelling of 125218120 in words is "one hundred twenty-five million, two hundred eighteen thousand, one hundred twenty".