112190189 has 4 divisors (see below), whose sum is σ = 112212000. Its totient is φ = 112168380.

The previous prime is 112190171. The next prime is 112190201. The reversal of 112190189 is 981091211.

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: 981091211 = 2339 ⋅419449.

It is a cyclic number.

It is not a de Polignac number, because 112190189 - 2⁸ = 112189933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112190789) 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, 1562 + ... + 15060.

It is an arithmetic number, because the mean of its divisors is an integer number (28053000).

Almost surely, 2^112190189 is an apocalyptic number.

It is an amenable number.

112190189 is a deficient number, since it is larger than the sum of its proper divisors (21811).

112190189 is an equidigital number, since it uses as much as digits as its factorization.

112190189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21810.

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

The square root of 112190189 is about 10591.9870184966. The cubic root of 112190189 is about 482.3011452930.

The spelling of 112190189 in words is "one hundred twelve million, one hundred ninety thousand, one hundred eighty-nine".