112457909 has 2 divisors, whose sum is σ = 112457910. Its totient is φ = 112457908.

The previous prime is 112457861. The next prime is 112457927. The reversal of 112457909 is 909754211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82755409 + 29702500 = 9097^2 + 5450^2 .

It is a cyclic number.

It is not a de Polignac number, because 112457909 - 2¹² = 112453813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112457929) 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, 56228954 + 56228955.

It is an arithmetic number, because the mean of its divisors is an integer number (56228955).

Almost surely, 2^112457909 is an apocalyptic number.

It is an amenable number.

112457909 is a deficient number, since it is larger than the sum of its proper divisors (1).

112457909 is an equidigital number, since it uses as much as digits as its factorization.

112457909 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 112457909 is about 10604.6173434028. The cubic root of 112457909 is about 482.6844797355.

The spelling of 112457909 in words is "one hundred twelve million, four hundred fifty-seven thousand, nine hundred nine".