130870120 has 16 divisors (see below), whose sum is σ = 294457860. Its totient is φ = 52348032.

The previous prime is 130870021. The next prime is 130870141. The reversal of 130870120 is 21078031.

It can be written as a sum of positive squares in 2 ways, for example, as 129004164 + 1865956 = 11358^2 + 1366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130870091 and 130870100.

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, 1635837 + ... + 1635916.

Almost surely, 2^130870120 is an apocalyptic number.

130870120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130870120 is an abundant number, since it is smaller than the sum of its proper divisors (163587740).

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

130870120 is a wasteful number, since it uses less digits than its factorization.

130870120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271764 (or 3271760 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 130870120 is about 11439.8479010868. The cubic root of 130870120 is about 507.7074079236.

The spelling of 130870120 in words is "one hundred thirty million, eight hundred seventy thousand, one hundred twenty".