113215770 has 24 divisors (see below), whose sum is σ = 294361236. Its totient is φ = 30190848.

The previous prime is 113215763. The next prime is 113215771. The reversal of 113215770 is 77512311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107060409 + 6155361 = 10347^2 + 2481^2 .

It is not an unprimeable number, because it can be changed into a prime (113215771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628887 + ... + 629066.

Almost surely, 2^113215770 is an apocalyptic number.

113215770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113215770 is an abundant number, since it is smaller than the sum of its proper divisors (181145466).

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

113215770 is a wasteful number, since it uses less digits than its factorization.

113215770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257966 (or 1257963 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 113215770 is about 10640.2899396586. The cubic root of 113215770 is about 483.7663336031.

The spelling of 113215770 in words is "one hundred thirteen million, two hundred fifteen thousand, seven hundred seventy".