121171163 has 2 divisors, whose sum is σ = 121171164. Its totient is φ = 121171162.

The previous prime is 121171159. The next prime is 121171207. The reversal of 121171163 is 361171121.

It is a happy number.

121171163 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121171163 - 2² = 121171159 is a prime.

It is not a weakly prime, because it can be changed into another prime (121171763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60585581 + 60585582.

It is an arithmetic number, because the mean of its divisors is an integer number (60585582).

Almost surely, 2^121171163 is an apocalyptic number.

121171163 is a deficient number, since it is larger than the sum of its proper divisors (1).

121171163 is an equidigital number, since it uses as much as digits as its factorization.

121171163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 23.

The square root of 121171163 is about 11007.7773869206. Note that the first 3 decimals coincide. The cubic root of 121171163 is about 494.8418540474.

The spelling of 121171163 in words is "one hundred twenty-one million, one hundred seventy-one thousand, one hundred sixty-three".