111942456 has 32 divisors (see below), whose sum is σ = 280400640. Its totient is φ = 37241568.

The previous prime is 111942451. The next prime is 111942511. The reversal of 111942456 is 654249111.

It is a super-2 number, since 2×111942456² = 25062226910623872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111942451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8865 + ... + 17391.

It is an arithmetic number, because the mean of its divisors is an integer number (8762520).

Almost surely, 2^111942456 is an apocalyptic number.

It is an amenable number.

111942456 is an abundant number, since it is smaller than the sum of its proper divisors (168458184).

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

111942456 is a wasteful number, since it uses less digits than its factorization.

111942456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083 (or 9079 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 111942456 is about 10580.2861965072. The cubic root of 111942456 is about 481.9458855818.

The spelling of 111942456 in words is "one hundred eleven million, nine hundred forty-two thousand, four hundred fifty-six".