112990457 has 2 divisors, whose sum is σ = 112990458. Its totient is φ = 112990456.

The previous prime is 112990447. The next prime is 112990463. The reversal of 112990457 is 754099211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108597241 + 4393216 = 10421^2 + 2096^2 .

It is a cyclic number.

It is not a de Polignac number, because 112990457 - 2⁴ = 112990441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112990457.

It is not a weakly prime, because it can be changed into another prime (112990447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56495228 + 56495229.

It is an arithmetic number, because the mean of its divisors is an integer number (56495229).

Almost surely, 2^112990457 is an apocalyptic number.

It is an amenable number.

112990457 is a deficient number, since it is larger than the sum of its proper divisors (1).

112990457 is an equidigital number, since it uses as much as digits as its factorization.

112990457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 112990457 is about 10629.6969382951. The cubic root of 112990457 is about 483.4452027485.

The spelling of 112990457 in words is "one hundred twelve million, nine hundred ninety thousand, four hundred fifty-seven".