1123100171 has 2 divisors, whose sum is σ = 1123100172. Its totient is φ = 1123100170.

The previous prime is 1123100149. The next prime is 1123100201. The reversal of 1123100171 is 1710013211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1710013211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123100171 - 2³⁰ = 49358347 is a prime.

It is a super-2 number, since 2×1123100171² = 2522707988200458482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123100071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561550085 + 561550086.

It is an arithmetic number, because the mean of its divisors is an integer number (561550086).

Almost surely, 2^1123100171 is an apocalyptic number.

1123100171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123100171 is an equidigital number, since it uses as much as digits as its factorization.

1123100171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 1123100171 is about 33512.6867171225. The cubic root of 1123100171 is about 1039.4561292774.

Adding to 1123100171 its reverse (1710013211), we get a palindrome (2833113382).

The spelling of 1123100171 in words is "one billion, one hundred twenty-three million, one hundred thousand, one hundred seventy-one".