121161163 has 2 divisors, whose sum is σ = 121161164. Its totient is φ = 121161162.

The previous prime is 121161151. The next prime is 121161181. The reversal of 121161163 is 361161121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121161163 - 2¹³ = 121152971 is a prime.

It is not a weakly prime, because it can be changed into another prime (121161463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60580581 + 60580582.

It is an arithmetic number, because the mean of its divisors is an integer number (60580582).

Almost surely, 2^121161163 is an apocalyptic number.

121161163 is a deficient number, since it is larger than the sum of its proper divisors (1).

121161163 is an equidigital number, since it uses as much as digits as its factorization.

121161163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 22.

The square root of 121161163 is about 11007.3231532467. The cubic root of 121161163 is about 494.8282409221.

The spelling of 121161163 in words is "one hundred twenty-one million, one hundred sixty-one thousand, one hundred sixty-three".