121797359 has 2 divisors, whose sum is σ = 121797360. Its totient is φ = 121797358.

The previous prime is 121797331. The next prime is 121797383. The reversal of 121797359 is 953797121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121797359 - 2²⁴ = 105020143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121797659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60898679 + 60898680.

It is an arithmetic number, because the mean of its divisors is an integer number (60898680).

Almost surely, 2^121797359 is an apocalyptic number.

121797359 is a deficient number, since it is larger than the sum of its proper divisors (1).

121797359 is an equidigital number, since it uses as much as digits as its factorization.

121797359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 44.

The square root of 121797359 is about 11036.1840778414. The cubic root of 121797359 is about 495.6928148539.

The spelling of 121797359 in words is "one hundred twenty-one million, seven hundred ninety-seven thousand, three hundred fifty-nine".