113117784 has 72 divisors (see below), whose sum is σ = 308065860. Its totient is φ = 34597056.

The previous prime is 113117761. The next prime is 113117801. The reversal of 113117784 is 487711311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 677269 + ... + 677435.

Almost surely, 2^113117784 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 113117784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154032930).

113117784 is an abundant number, since it is smaller than the sum of its proper divisors (194948076).

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

113117784 is a wasteful number, since it uses less digits than its factorization.

113117784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 185 counting only the distinct ones).

The product of its digits is 4704, while the sum is 33.

The square root of 113117784 is about 10635.6844631646. The cubic root of 113117784 is about 483.6267299366.

Multiplying 113117784 by its product of digits (4704), we get a square (532106055936 = 729456²).

It can be divided in two parts, 1131 and 17784, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 113117784 in words is "one hundred thirteen million, one hundred seventeen thousand, seven hundred eighty-four".