112981171 has 2 divisors, whose sum is σ = 112981172. Its totient is φ = 112981170.

The previous prime is 112981159. The next prime is 112981189. The reversal of 112981171 is 171189211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (171189211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112981171 - 2¹¹ = 112979123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112982171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56490585 + 56490586.

It is an arithmetic number, because the mean of its divisors is an integer number (56490586).

Almost surely, 2^112981171 is an apocalyptic number.

112981171 is a deficient number, since it is larger than the sum of its proper divisors (1).

112981171 is an equidigital number, since it uses as much as digits as its factorization.

112981171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 31.

The square root of 112981171 is about 10629.2601341768. The cubic root of 112981171 is about 483.4319585765.

The spelling of 112981171 in words is "one hundred twelve million, nine hundred eighty-one thousand, one hundred seventy-one".