121272959 has 2 divisors, whose sum is σ = 121272960. Its totient is φ = 121272958.

The previous prime is 121272919. The next prime is 121273007. The reversal of 121272959 is 959272121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121272959 - 2⁸ = 121272703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121272919) 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, 60636479 + 60636480.

It is an arithmetic number, because the mean of its divisors is an integer number (60636480).

Almost surely, 2^121272959 is an apocalyptic number.

121272959 is a deficient number, since it is larger than the sum of its proper divisors (1).

121272959 is an equidigital number, since it uses as much as digits as its factorization.

121272959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 38.

The square root of 121272959 is about 11012.4002379136. The cubic root of 121272959 is about 494.9803876187.

The spelling of 121272959 in words is "one hundred twenty-one million, two hundred seventy-two thousand, nine hundred fifty-nine".