112786561 has 4 divisors (see below), whose sum is σ = 112810500. Its totient is φ = 112762624.

The previous prime is 112786529. The next prime is 112786573. The reversal of 112786561 is 165687211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48385936 + 64400625 = 6956^2 + 8025^2 .

It is a cyclic number.

It is not a de Polignac number, because 112786561 - 2⁵ = 112786529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112786561.

It is not an unprimeable number, because it can be changed into a prime (112786591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2296 + ... + 15193.

It is an arithmetic number, because the mean of its divisors is an integer number (28202625).

Almost surely, 2^112786561 is an apocalyptic number.

It is an amenable number.

112786561 is a deficient number, since it is larger than the sum of its proper divisors (23939).

112786561 is an equidigital number, since it uses as much as digits as its factorization.

112786561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23938.

The product of its digits is 20160, while the sum is 37.

The square root of 112786561 is about 10620.1017415089. The cubic root of 112786561 is about 483.1542286316.

The spelling of 112786561 in words is "one hundred twelve million, seven hundred eighty-six thousand, five hundred sixty-one".