112643171 has 2 divisors, whose sum is σ = 112643172. Its totient is φ = 112643170.

The previous prime is 112643137. The next prime is 112643183. The reversal of 112643171 is 171346211.

It is a strong prime.

It is an emirp because it is prime and its reverse (171346211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112643171 - 2¹⁰ = 112642147 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112643171.

It is not a weakly prime, because it can be changed into another prime (112643371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56321585 + 56321586.

It is an arithmetic number, because the mean of its divisors is an integer number (56321586).

Almost surely, 2^112643171 is an apocalyptic number.

112643171 is a deficient number, since it is larger than the sum of its proper divisors (1).

112643171 is an equidigital number, since it uses as much as digits as its factorization.

112643171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 112643171 is about 10613.3487175349. The cubic root of 112643171 is about 482.9493907968.

Adding to 112643171 its reverse (171346211), we get a palindrome (283989382).

The spelling of 112643171 in words is "one hundred twelve million, six hundred forty-three thousand, one hundred seventy-one".