121090163 has 2 divisors, whose sum is σ = 121090164. Its totient is φ = 121090162.

The previous prime is 121090153. The next prime is 121090169. The reversal of 121090163 is 361090121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121090163 - 2¹⁰ = 121089139 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (121090169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60545081 + 60545082.

It is an arithmetic number, because the mean of its divisors is an integer number (60545082).

Almost surely, 2^121090163 is an apocalyptic number.

121090163 is a deficient number, since it is larger than the sum of its proper divisors (1).

121090163 is an equidigital number, since it uses as much as digits as its factorization.

121090163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 121090163 is about 11004.0975550020. The cubic root of 121090163 is about 494.7315661873.

The spelling of 121090163 in words is "one hundred twenty-one million, ninety thousand, one hundred sixty-three".