112881169 has 4 divisors (see below), whose sum is σ = 115282944. Its totient is φ = 110479396.

The previous prime is 112881157. The next prime is 112881179. The reversal of 112881169 is 961188211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112881169 - 2¹⁷ = 112750097 is a prime.

It is a super-2 number, since 2×112881169² = 25484316629613122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112881179) 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, 1200817 + ... + 1200910.

It is an arithmetic number, because the mean of its divisors is an integer number (28820736).

Almost surely, 2^112881169 is an apocalyptic number.

It is an amenable number.

112881169 is a deficient number, since it is larger than the sum of its proper divisors (2401775).

112881169 is an equidigital number, since it uses as much as digits as its factorization.

112881169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401774.

The product of its digits is 6912, while the sum is 37.

The square root of 112881169 is about 10624.5550024460. Note that the first 3 decimals coincide. The cubic root of 112881169 is about 483.2892845575.

It can be divided in two parts, 112881 and 169, that added together give a triangular number (113050 = T₄₇₅).

The spelling of 112881169 in words is "one hundred twelve million, eight hundred eighty-one thousand, one hundred sixty-nine".