112159978 has 32 divisors (see below), whose sum is σ = 198754560. Its totient is φ = 46475520.

The previous prime is 112159967. The next prime is 112159979. The reversal of 112159978 is 879951211.

It is not an unprimeable number, because it can be changed into a prime (112159979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51618 + ... + 53746.

It is an arithmetic number, because the mean of its divisors is an integer number (6211080).

Almost surely, 2^112159978 is an apocalyptic number.

112159978 is a deficient number, since it is larger than the sum of its proper divisors (86594582).

112159978 is a wasteful number, since it uses less digits than its factorization.

112159978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262.

The product of its digits is 45360, while the sum is 43.

The square root of 112159978 is about 10590.5607972383. The cubic root of 112159978 is about 482.2578494453.

The spelling of 112159978 in words is "one hundred twelve million, one hundred fifty-nine thousand, nine hundred seventy-eight".