112155 has 8 divisors (see below), whose sum is σ = 179472. Its totient is φ = 59808.

The previous prime is 112153. The next prime is 112163. The reversal of 112155 is 551211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112155 - 2¹ = 112153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 7477 = 112155 / (1 + 1 + 2 + 1 + 5 + 5).

It is not an unprimeable number, because it can be changed into a prime (112153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3724 + ... + 3753.

It is an arithmetic number, because the mean of its divisors is an integer number (22434).

2¹¹²¹⁵⁵ is an apocalyptic number.

112155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112155 is a deficient number, since it is larger than the sum of its proper divisors (67317).

112155 is an equidigital number, since it uses as much as digits as its factorization.

112155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485.

The product of its digits is 50, while the sum is 15.

The square root of 112155 is about 334.8955060911. The cubic root of 112155 is about 48.2250714651.

Adding to 112155 its reverse (551211), we get a palindrome (663366).

It can be divided in two parts, 1121 and 55, that added together give a triangular number (1176 = T₄₈).

The spelling of 112155 in words is "one hundred twelve thousand, one hundred fifty-five".