113257170 has 128 divisors (see below), whose sum is σ = 333607680. Its totient is φ = 27164160.

The previous prime is 113257163. The next prime is 113257187. The reversal of 113257170 is 71752311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143517 + ... + 144303.

It is an arithmetic number, because the mean of its divisors is an integer number (2606310).

Almost surely, 2^113257170 is an apocalyptic number.

113257170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113257170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166803840).

113257170 is an abundant number, since it is smaller than the sum of its proper divisors (220350510).

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

113257170 is a wasteful number, since it uses less digits than its factorization.

113257170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 851 counting only the distinct ones).

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

The square root of 113257170 is about 10642.2351975513. The cubic root of 113257170 is about 483.8252932500.

The spelling of 113257170 in words is "one hundred thirteen million, two hundred fifty-seven thousand, one hundred seventy".