121793171 has 2 divisors, whose sum is σ = 121793172. Its totient is φ = 121793170.

The previous prime is 121793143. The next prime is 121793179. The reversal of 121793171 is 171397121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121793171 - 2²² = 117598867 is a prime.

It is not a weakly prime, because it can be changed into another prime (121793179) 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, 60896585 + 60896586.

It is an arithmetic number, because the mean of its divisors is an integer number (60896586).

Almost surely, 2^121793171 is an apocalyptic number.

121793171 is a deficient number, since it is larger than the sum of its proper divisors (1).

121793171 is an equidigital number, since it uses as much as digits as its factorization.

121793171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646, while the sum is 32.

The square root of 121793171 is about 11035.9943367147. The cubic root of 121793171 is about 495.6871333259.

The spelling of 121793171 in words is "one hundred twenty-one million, seven hundred ninety-three thousand, one hundred seventy-one".