112457861 has 2 divisors, whose sum is σ = 112457862. Its totient is φ = 112457860.

The previous prime is 112457809. The next prime is 112457909. The reversal of 112457861 is 168754211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82700836 + 29757025 = 9094^2 + 5455^2 .

It is a cyclic number.

It is not a de Polignac number, because 112457861 - 2⁶ = 112457797 is a prime.

It is equal to p_6435827 and since 112457861 and 6435827 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112457161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56228930 + 56228931.

It is an arithmetic number, because the mean of its divisors is an integer number (56228931).

Almost surely, 2^112457861 is an apocalyptic number.

It is an amenable number.

112457861 is a deficient number, since it is larger than the sum of its proper divisors (1).

112457861 is an equidigital number, since it uses as much as digits as its factorization.

112457861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 35.

The square root of 112457861 is about 10604.6150802375. The cubic root of 112457861 is about 482.6844110614.

It can be divided in two parts, 1124 and 57861, that added together give a palindrome (58985).

The spelling of 112457861 in words is "one hundred twelve million, four hundred fifty-seven thousand, eight hundred sixty-one".