113122171 has 2 divisors, whose sum is σ = 113122172. Its totient is φ = 113122170.

The previous prime is 113122169. The next prime is 113122253. The reversal of 113122171 is 171221311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113122171 - 2¹ = 113122169 is a prime.

Together with 113122169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113122871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56561085 + 56561086.

It is an arithmetic number, because the mean of its divisors is an integer number (56561086).

Almost surely, 2^113122171 is an apocalyptic number.

113122171 is a deficient number, since it is larger than the sum of its proper divisors (1).

113122171 is an equidigital number, since it uses as much as digits as its factorization.

113122171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84, while the sum is 19.

The square root of 113122171 is about 10635.8907008299. The cubic root of 113122171 is about 483.6329819539.

Adding to 113122171 its reverse (171221311), we get a palindrome (284343482).

The spelling of 113122171 in words is "one hundred thirteen million, one hundred twenty-two thousand, one hundred seventy-one".