112959191 has 2 divisors, whose sum is σ = 112959192. Its totient is φ = 112959190.

The previous prime is 112959181. The next prime is 112959211. The reversal of 112959191 is 191959211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112959191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112959131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56479595 + 56479596.

It is an arithmetic number, because the mean of its divisors is an integer number (56479596).

Almost surely, 2^112959191 is an apocalyptic number.

112959191 is a deficient number, since it is larger than the sum of its proper divisors (1).

112959191 is an equidigital number, since it uses as much as digits as its factorization.

112959191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 38.

The square root of 112959191 is about 10628.2261455052. The cubic root of 112959191 is about 483.4006066752.

The spelling of 112959191 in words is "one hundred twelve million, nine hundred fifty-nine thousand, one hundred ninety-one".