121793129959 has 2 divisors, whose sum is σ = 121793129960. Its totient is φ = 121793129958.

The previous prime is 121793129923. The next prime is 121793129981. The reversal of 121793129959 is 959921397121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121793129959 - 2⁷ = 121793129831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121793129989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60896564979 + 60896564980.

It is an arithmetic number, because the mean of its divisors is an integer number (60896564980).

Almost surely, 2^121793129959 is an apocalyptic number.

121793129959 is a deficient number, since it is larger than the sum of its proper divisors (1).

121793129959 is an equidigital number, since it uses as much as digits as its factorization.

121793129959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2755620, while the sum is 58.

The spelling of 121793129959 in words is "one hundred twenty-one billion, seven hundred ninety-three million, one hundred twenty-nine thousand, nine hundred fifty-nine".