112775681 has 2 divisors, whose sum is σ = 112775682. Its totient is φ = 112775680.

The previous prime is 112775657. The next prime is 112775687. The reversal of 112775681 is 186577211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99700225 + 13075456 = 9985^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 112775681 - 2¹⁰ = 112774657 is a prime.

It is a super-2 number, since 2×112775681² = 25436708450027522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112775687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56387840 + 56387841.

It is an arithmetic number, because the mean of its divisors is an integer number (56387841).

Almost surely, 2^112775681 is an apocalyptic number.

It is an amenable number.

112775681 is a deficient number, since it is larger than the sum of its proper divisors (1).

112775681 is an equidigital number, since it uses as much as digits as its factorization.

112775681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 38.

The square root of 112775681 is about 10619.5894930077. The cubic root of 112775681 is about 483.1386922444.

The spelling of 112775681 in words is "one hundred twelve million, seven hundred seventy-five thousand, six hundred eighty-one".