112978943 has 16 divisors (see below), whose sum is σ = 141246720. Its totient is φ = 87792000.

The previous prime is 112978939. The next prime is 112978993. The reversal of 112978943 is 349879211.

112978943 = 194³ + 195³ + ... + 207³.

It is a cyclic number.

It is not a de Polignac number, because 112978943 - 2² = 112978939 is a prime.

It is a super-2 number, since 2×112978943² = 25528483122794498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112978894 and 112978903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112978993) 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, 29048 + ... + 32706.

It is an arithmetic number, because the mean of its divisors is an integer number (8827920).

Almost surely, 2^112978943 is an apocalyptic number.

112978943 is a deficient number, since it is larger than the sum of its proper divisors (28267777).

112978943 is a wasteful number, since it uses less digits than its factorization.

112978943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078.

The product of its digits is 108864, while the sum is 44.

The square root of 112978943 is about 10629.1553286232. The cubic root of 112978943 is about 483.4287807801.

The spelling of 112978943 in words is "one hundred twelve million, nine hundred seventy-eight thousand, nine hundred forty-three".