112565977 has 2 divisors, whose sum is σ = 112565978. Its totient is φ = 112565976.

The previous prime is 112565969. The next prime is 112566019. The reversal of 112565977 is 779565211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111175936 + 1390041 = 10544^2 + 1179^2 .

It is a cyclic number.

It is not a de Polignac number, because 112565977 - 2³ = 112565969 is a prime.

It is not a weakly prime, because it can be changed into another prime (112065977) 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, 56282988 + 56282989.

It is an arithmetic number, because the mean of its divisors is an integer number (56282989).

Almost surely, 2^112565977 is an apocalyptic number.

It is an amenable number.

112565977 is a deficient number, since it is larger than the sum of its proper divisors (1).

112565977 is an equidigital number, since it uses as much as digits as its factorization.

112565977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 43.

The square root of 112565977 is about 10609.7114475371. The cubic root of 112565977 is about 482.8390443689.

The spelling of 112565977 in words is "one hundred twelve million, five hundred sixty-five thousand, nine hundred seventy-seven".