112456561 has 8 divisors (see below), whose sum is σ = 132667904. Its totient is φ = 93281760.

The previous prime is 112456549. The next prime is 112456601. The reversal of 112456561 is 165654211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112456561 - 2⁹ = 112456049 is a prime.

It is a super-2 number, since 2×112456561² = 25292956223893442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112454561) 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 in 7 ways as a sum of consecutive naturals, for example, 258900 + ... + 259333.

It is an arithmetic number, because the mean of its divisors is an integer number (16583488).

Almost surely, 2^112456561 is an apocalyptic number.

It is an amenable number.

112456561 is a deficient number, since it is larger than the sum of its proper divisors (20211343).

112456561 is an equidigital number, since it uses as much as digits as its factorization.

112456561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518271.

The product of its digits is 7200, while the sum is 31.

The square root of 112456561 is about 10604.5537859921. The cubic root of 112456561 is about 482.6825511287.

The spelling of 112456561 in words is "one hundred twelve million, four hundred fifty-six thousand, five hundred sixty-one".