112011979 has 2 divisors, whose sum is σ = 112011980. Its totient is φ = 112011978.

The previous prime is 112011923. The next prime is 112012009. The reversal of 112011979 is 979110211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112011979 - 2¹⁵ = 111979211 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112011979.

It is not a weakly prime, because it can be changed into another prime (112011919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56005989 + 56005990.

It is an arithmetic number, because the mean of its divisors is an integer number (56005990).

Almost surely, 2^112011979 is an apocalyptic number.

112011979 is a deficient number, since it is larger than the sum of its proper divisors (1).

112011979 is an equidigital number, since it uses as much as digits as its factorization.

112011979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 31.

The square root of 112011979 is about 10583.5711836790. The cubic root of 112011979 is about 482.0456373975.

The spelling of 112011979 in words is "one hundred twelve million, eleven thousand, nine hundred seventy-nine".