112169 has 4 divisors (see below), whose sum is σ = 112896. Its totient is φ = 111444.

The previous prime is 112163. The next prime is 112181. The reversal of 112169 is 961211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 961211 = 163 ⋅5897.

It is a cyclic number.

It is not a de Polignac number, because 112169 - 2⁴ = 112153 is a prime.

It is a super-2 number, since 2×112169² = 25163769122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 112169.

It is not an unprimeable number, because it can be changed into a prime (112163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 474.

It is an arithmetic number, because the mean of its divisors is an integer number (28224).

2¹¹²¹⁶⁹ is an apocalyptic number.

It is an amenable number.

112169 is a deficient number, since it is larger than the sum of its proper divisors (727).

112169 is an equidigital number, since it uses as much as digits as its factorization.

112169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its digits is 108, while the sum is 20.

The square root of 112169 is about 334.9164074810. The cubic root of 112169 is about 48.2270779826.

The spelling of 112169 in words is "one hundred twelve thousand, one hundred sixty-nine".