121151171 has 2 divisors, whose sum is σ = 121151172. Its totient is φ = 121151170.

The previous prime is 121151153. The next prime is 121151203. The reversal of 121151171 is 171151121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121151171 - 2¹⁰ = 121150147 is a prime.

It is not a weakly prime, because it can be changed into another prime (121151141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60575585 + 60575586.

It is an arithmetic number, because the mean of its divisors is an integer number (60575586).

Almost surely, 2^121151171 is an apocalyptic number.

121151171 is a deficient number, since it is larger than the sum of its proper divisors (1).

121151171 is an equidigital number, since it uses as much as digits as its factorization.

121151171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70, while the sum is 20.

The square root of 121151171 is about 11006.8692642368. The cubic root of 121151171 is about 494.8146379391.

The spelling of 121151171 in words is "one hundred twenty-one million, one hundred fifty-one thousand, one hundred seventy-one".