112190198 has 4 divisors (see below), whose sum is σ = 168285300. Its totient is φ = 56095098.

The previous prime is 112190171. The next prime is 112190201. The reversal of 112190198 is 891091211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891091211 = 1553 ⋅573787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28047548 + ... + 28047551.

It is an arithmetic number, because the mean of its divisors is an integer number (42071325).

Almost surely, 2^112190198 is an apocalyptic number.

112190198 is a deficient number, since it is larger than the sum of its proper divisors (56095102).

112190198 is an equidigital number, since it uses as much as digits as its factorization.

112190198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56095101.

The product of its (nonzero) digits is 1296, while the sum is 32.

The square root of 112190198 is about 10591.9874433460. The cubic root of 112190198 is about 482.3011581899.

It can be divided in two parts, 1121 and 90198, that added together give a palindrome (91319).

The spelling of 112190198 in words is "one hundred twelve million, one hundred ninety thousand, one hundred ninety-eight".