121000163 has 2 divisors, whose sum is σ = 121000164. Its totient is φ = 121000162.

The previous prime is 121000157. The next prime is 121000183. The reversal of 121000163 is 361000121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121000163 - 2⁴ = 121000147 is a prime.

It is not a weakly prime, because it can be changed into another prime (121000123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500081 + 60500082.

It is an arithmetic number, because the mean of its divisors is an integer number (60500082).

Almost surely, 2^121000163 is an apocalyptic number.

121000163 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000163 is an equidigital number, since it uses as much as digits as its factorization.

121000163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121000163 is about 11000.0074090884. The cubic root of 121000163 is about 494.6089664218.

Adding to 121000163 its reverse (361000121), we get a palindrome (482000284).

The spelling of 121000163 in words is "one hundred twenty-one million, one hundred sixty-three", and thus it is an aban number.