112438979 has 8 divisors (see below), whose sum is σ = 119143680. Its totient is φ = 105813000.

The previous prime is 112438943. The next prime is 112438981. The reversal of 112438979 is 979834211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112438979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112438379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16727 + ... + 22464.

It is an arithmetic number, because the mean of its divisors is an integer number (14892960).

Almost surely, 2^112438979 is an apocalyptic number.

112438979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

112438979 is a deficient number, since it is larger than the sum of its proper divisors (6704701).

112438979 is a wasteful number, since it uses less digits than its factorization.

112438979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39361.

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

The square root of 112438979 is about 10603.7247700985. The cubic root of 112438979 is about 482.6573948466.

The spelling of 112438979 in words is "one hundred twelve million, four hundred thirty-eight thousand, nine hundred seventy-nine".