112855 has 4 divisors (see below), whose sum is σ = 135432. Its totient is φ = 90280.

The previous prime is 112843. The next prime is 112859. The reversal of 112855 is 558211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558211 = 61 ⋅9151.

It is not a de Polignac number, because 112855 - 2¹¹ = 110807 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112859) 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, 11281 + ... + 11290.

It is an arithmetic number, because the mean of its divisors is an integer number (33858).

2¹¹²⁸⁵⁵ is an apocalyptic number.

112855 is a deficient number, since it is larger than the sum of its proper divisors (22577).

112855 is an equidigital number, since it uses as much as digits as its factorization.

112855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22576.

The product of its digits is 400, while the sum is 22.

The square root of 112855 is about 335.9389825549. The cubic root of 112855 is about 48.3251935031.

The spelling of 112855 in words is "one hundred twelve thousand, eight hundred fifty-five".