112345889 has 4 divisors (see below), whose sum is σ = 112368660. Its totient is φ = 112323120.

The previous prime is 112345873. The next prime is 112345897. The reversal of 112345889 is 988543211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988543211 = 43 ⋅22989377.

It can be written as a sum of positive squares in 2 ways, for example, as 104550625 + 7795264 = 10225^2 + 2792^2 .

It is a cyclic number.

It is not a de Polignac number, because 112345889 - 2⁴ = 112345873 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (112345859) 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 in 3 ways as a sum of consecutive naturals, for example, 542 + ... + 14999.

It is an arithmetic number, because the mean of its divisors is an integer number (28092165).

Almost surely, 2^112345889 is an apocalyptic number.

It is an amenable number.

112345889 is a deficient number, since it is larger than the sum of its proper divisors (22771).

112345889 is an equidigital number, since it uses as much as digits as its factorization.

112345889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22770.

The product of its digits is 69120, while the sum is 41.

The square root of 112345889 is about 10599.3343658930. The cubic root of 112345889 is about 482.5241581862.

The spelling of 112345889 in words is "one hundred twelve million, three hundred forty-five thousand, eight hundred eighty-nine".