113422728 has 64 divisors (see below), whose sum is σ = 294638400. Its totient is φ = 36357120.

The previous prime is 113422717. The next prime is 113422739. The reversal of 113422728 is 827224311.

It is an interprime number because it is at equal distance from previous prime (113422717) and next prime (113422739).

It is a junction number, because it is equal to n+sod(n) for n = 113422695 and 113422704.

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 15 ways as a sum of consecutive naturals, for example, 71043 + ... + 72621.

It is an arithmetic number, because the mean of its divisors is an integer number (4603725).

Almost surely, 2^113422728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113422728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147319200).

113422728 is an abundant number, since it is smaller than the sum of its proper divisors (181215672).

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

113422728 is a wasteful number, since it uses less digits than its factorization.

113422728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1698 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 113422728 is about 10650.0107042200. The cubic root of 113422728 is about 484.0609285134.

The spelling of 113422728 in words is "one hundred thirteen million, four hundred twenty-two thousand, seven hundred twenty-eight".