121266127 has 2 divisors, whose sum is σ = 121266128. Its totient is φ = 121266126.

The previous prime is 121266059. The next prime is 121266161. The reversal of 121266127 is 721662121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121266127 - 2²³ = 112877519 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121266095 and 121266104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121266527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60633063 + 60633064.

It is an arithmetic number, because the mean of its divisors is an integer number (60633064).

Almost surely, 2^121266127 is an apocalyptic number.

121266127 is a deficient number, since it is larger than the sum of its proper divisors (1).

121266127 is an equidigital number, since it uses as much as digits as its factorization.

121266127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 121266127 is about 11012.0900377721. The cubic root of 121266127 is about 494.9710924179.

The spelling of 121266127 in words is "one hundred twenty-one million, two hundred sixty-six thousand, one hundred twenty-seven".