112190171 has 2 divisors, whose sum is σ = 112190172. Its totient is φ = 112190170.

The previous prime is 112190161. The next prime is 112190201. The reversal of 112190171 is 171091211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (171091211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112190171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112190101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56095085 + 56095086.

It is an arithmetic number, because the mean of its divisors is an integer number (56095086).

Almost surely, 2^112190171 is an apocalyptic number.

112190171 is a deficient number, since it is larger than the sum of its proper divisors (1).

112190171 is an equidigital number, since it uses as much as digits as its factorization.

112190171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 23.

The square root of 112190171 is about 10591.9861687976. The cubic root of 112190171 is about 482.3011194992.

The spelling of 112190171 in words is "one hundred twelve million, one hundred ninety thousand, one hundred seventy-one".