107512840 has 16 divisors (see below), whose sum is σ = 241903980. Its totient is φ = 43005120.

The previous prime is 107512819. The next prime is 107512859. The reversal of 107512840 is 48215701.

It can be written as a sum of positive squares in 2 ways, for example, as 107288164 + 224676 = 10358^2 + 474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 107512799 and 107512808.

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, 1343871 + ... + 1343950.

Almost surely, 2^107512840 is an apocalyptic number.

107512840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107512840 is an abundant number, since it is smaller than the sum of its proper divisors (134391140).

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

107512840 is a wasteful number, since it uses less digits than its factorization.

107512840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687832 (or 2687828 counting only the distinct ones).

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

The square root of 107512840 is about 10368.8398579590. The cubic root of 107512840 is about 475.5032008079.

It can be divided in two parts, 107512 and 840, that multiplied together give a triangular number (90310080 = T₁₃₄₃₉).

The spelling of 107512840 in words is "one hundred seven million, five hundred twelve thousand, eight hundred forty".