111738942 has 48 divisors (see below), whose sum is σ = 285622272. Its totient is φ = 30894480.

The previous prime is 111738937. The next prime is 111738959. The reversal of 111738942 is 249837111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111738897 and 111738906.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 10398 + ... + 18209.

It is an arithmetic number, because the mean of its divisors is an integer number (5950464).

Almost surely, 2^111738942 is an apocalyptic number.

111738942 is an abundant number, since it is smaller than the sum of its proper divisors (173883330).

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

111738942 is a wasteful number, since it uses less digits than its factorization.

111738942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28653 (or 28650 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 111738942 is about 10570.6642175409. The cubic root of 111738942 is about 481.6536454510.

The spelling of 111738942 in words is "one hundred eleven million, seven hundred thirty-eight thousand, nine hundred forty-two".