112122 has 12 divisors (see below), whose sum is σ = 242970. Its totient is φ = 37368.

The previous prime is 112121. The next prime is 112129. The reversal of 112122 is 221211.

It can be written as a sum of positive squares in only one way, i.e., 95481 + 16641 = 309^2 + 129^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (112121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3097 + ... + 3132.

2¹¹²¹²² is an apocalyptic number.

112122 is an abundant number, since it is smaller than the sum of its proper divisors (130848).

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

112122 is a wasteful number, since it uses less digits than its factorization.

112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237 (or 6234 counting only the distinct ones).

The product of its digits is 8, while the sum is 9.

The square root of 112122 is about 334.8462333669. The cubic root of 112122 is about 48.2203411560.

Adding to 112122 its reverse (221211), we get a palindrome (333333).

The spelling of 112122 in words is "one hundred twelve thousand, one hundred twenty-two", and thus it is an iban number.