112798189 has 4 divisors (see below), whose sum is σ = 128912224. Its totient is φ = 96684156.

The previous prime is 112798183. The next prime is 112798199. The reversal of 112798189 is 981897211.

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: 981897211 = 23687 ⋅41453.

It is a cyclic number.

It is not a de Polignac number, because 112798189 - 2¹⁹ = 112273901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112798183) 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, 8057007 + ... + 8057020.

It is an arithmetic number, because the mean of its divisors is an integer number (32228056).

Almost surely, 2^112798189 is an apocalyptic number.

It is an amenable number.

112798189 is a deficient number, since it is larger than the sum of its proper divisors (16114035).

112798189 is an equidigital number, since it uses as much as digits as its factorization.

112798189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16114034.

The product of its digits is 72576, while the sum is 46.

The square root of 112798189 is about 10620.6491797818. The cubic root of 112798189 is about 483.1708320409.

The spelling of 112798189 in words is "one hundred twelve million, seven hundred ninety-eight thousand, one hundred eighty-nine".