112457889 has 10 divisors (see below), whose sum is σ = 167992770. Its totient is φ = 74971872.

The previous prime is 112457861. The next prime is 112457909. The reversal of 112457889 is 988754211.

112457889 is a `hidden beast` number, since 112 + 457 + 8 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111830625 + 627264 = 10575^2 + 792^2 .

It is not a de Polignac number, because 112457889 - 2⁹ = 112457377 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (112457809) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 694104 + ... + 694265.

It is an arithmetic number, because the mean of its divisors is an integer number (16799277).

Almost surely, 2^112457889 is an apocalyptic number.

It is an amenable number.

112457889 is a deficient number, since it is larger than the sum of its proper divisors (55534881).

112457889 is an equidigital number, since it uses as much as digits as its factorization.

112457889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388381 (or 1388372 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 112457889 is about 10604.6164004173. The cubic root of 112457889 is about 482.6844511213.

The spelling of 112457889 in words is "one hundred twelve million, four hundred fifty-seven thousand, eight hundred eighty-nine".