113117742 has 32 divisors (see below), whose sum is σ = 251746560. Its totient is φ = 37649880.

The previous prime is 113117737. The next prime is 113117743. The reversal of 113117742 is 247711311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113117743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52017 + ... + 54147.

It is an arithmetic number, because the mean of its divisors is an integer number (7867080).

Almost surely, 2^113117742 is an apocalyptic number.

113117742 is an abundant number, since it is smaller than the sum of its proper divisors (138628818).

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

113117742 is a wasteful number, since it uses less digits than its factorization.

113117742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3119 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 113117742 is about 10635.6824886793. The cubic root of 113117742 is about 483.6266700806.

It can be divided in two parts, 113 and 117742, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 113117742 in words is "one hundred thirteen million, one hundred seventeen thousand, seven hundred forty-two".