112869121 has 4 divisors (see below), whose sum is σ = 113545152. Its totient is φ = 112193092.

The previous prime is 112869083. The next prime is 112869143. The reversal of 112869121 is 121968211.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 121968211 = 53 ⋅2301287.

It is a cyclic number.

It is not a de Polignac number, because 112869121 - 2⁷ = 112868993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112869191) 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, 337765 + ... + 338098.

It is an arithmetic number, because the mean of its divisors is an integer number (28386288).

Almost surely, 2^112869121 is an apocalyptic number.

It is an amenable number.

112869121 is a deficient number, since it is larger than the sum of its proper divisors (676031).

112869121 is an equidigital number, since it uses as much as digits as its factorization.

112869121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676030.

The product of its digits is 1728, while the sum is 31.

The square root of 112869121 is about 10623.9879988637. The cubic root of 112869121 is about 483.2720898488.

The spelling of 112869121 in words is "one hundred twelve million, eight hundred sixty-nine thousand, one hundred twenty-one".