112869558 has 16 divisors (see below), whose sum is σ = 250821360. Its totient is φ = 37623168.

The previous prime is 112869541. The next prime is 112869571. The reversal of 112869558 is 855968211.

It is a happy number.

112869558 is a `hidden beast` number, since 1 + 12 + 86 + 9 + 558 = 666.

It is a super-4 number, since 4×112869558⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045035 + ... + 1045142.

It is an arithmetic number, because the mean of its divisors is an integer number (15676335).

Almost surely, 2^112869558 is an apocalyptic number.

112869558 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

112869558 is an abundant number, since it is smaller than the sum of its proper divisors (137951802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112869558 is a wasteful number, since it uses less digits than its factorization.

112869558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090188 (or 2090182 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The square root of 112869558 is about 10624.0085655086. The cubic root of 112869558 is about 483.2727135494.

It can be divided in two parts, 1128695 and 58, that added together give a triangular number (1128753 = T₁₅₀₂).

The spelling of 112869558 in words is "one hundred twelve million, eight hundred sixty-nine thousand, five hundred fifty-eight".