113170122 has 160 divisors (see below), whose sum is σ = 301870800. Its totient is φ = 31352832.

The previous prime is 113170111. The next prime is 113170129. The reversal of 113170122 is 221071311.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 64016001 + 49154121 = 8001^2 + 7011^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113170095 and 113170104.

It is not an unprimeable number, because it can be changed into a prime (113170129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1038204 + ... + 1038312.

Almost surely, 2^113170122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113170122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150935400).

113170122 is an abundant number, since it is smaller than the sum of its proper divisors (188700678).

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

113170122 is a wasteful number, since it uses less digits than its factorization.

113170122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 113170122 is about 10638.1446690671. The cubic root of 113170122 is about 483.7013075201.

It can be divided in two parts, 1131 and 70122, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 113170122 in words is "one hundred thirteen million, one hundred seventy thousand, one hundred twenty-two".