112258989 has 6 divisors (see below), whose sum is σ = 162151886. Its totient is φ = 74839320.

The previous prime is 112258961. The next prime is 112259057. The reversal of 112258989 is 989852211.

It can be written as a sum of positive squares in only one way, i.e., 112148100 + 110889 = 10590^2 + 333^2 .

It is not a de Polignac number, because 112258989 - 2⁵ = 112258957 is a prime.

It is a super-2 number, since 2×112258989² = 25204161222604242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112258789) 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 5 ways as a sum of consecutive naturals, for example, 6236602 + ... + 6236619.

Almost surely, 2^112258989 is an apocalyptic number.

It is an amenable number.

112258989 is a deficient number, since it is larger than the sum of its proper divisors (49892897).

112258989 is a wasteful number, since it uses less digits than its factorization.

112258989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473227 (or 12473224 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 112258989 is about 10595.2342588543. The cubic root of 112258989 is about 482.3997146315.

The spelling of 112258989 in words is "one hundred twelve million, two hundred fifty-eight thousand, nine hundred eighty-nine".