112945997 has 2 divisors, whose sum is σ = 112945998. Its totient is φ = 112945996.

The previous prime is 112945913. The next prime is 112945999. The reversal of 112945997 is 799549211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111112681 + 1833316 = 10541^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 112945997 - 2²⁰ = 111897421 is a prime.

Together with 112945999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112945999) 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 as a sum of consecutive naturals, namely, 56472998 + 56472999.

It is an arithmetic number, because the mean of its divisors is an integer number (56472999).

Almost surely, 2^112945997 is an apocalyptic number.

It is an amenable number.

112945997 is a deficient number, since it is larger than the sum of its proper divisors (1).

112945997 is an equidigital number, since it uses as much as digits as its factorization.

112945997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 47.

The square root of 112945997 is about 10627.6054217307. The cubic root of 112945997 is about 483.3817850226.

The spelling of 112945997 in words is "one hundred twelve million, nine hundred forty-five thousand, nine hundred ninety-seven".