121301201496779 has 2 divisors, whose sum is σ = 121301201496780. Its totient is φ = 121301201496778.

The previous prime is 121301201496767. The next prime is 121301201496799. The reversal of 121301201496779 is 977694102103121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121301201496779 - 2⁸ = 121301201496523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121301201496779.

It is not a weakly prime, because it can be changed into another prime (121301201496799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650600748389 + 60650600748390.

It is an arithmetic number, because the mean of its divisors is an integer number (60650600748390).

Almost surely, 2^{121301201496779} is an apocalyptic number.

121301201496779 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301201496779 is an equidigital number, since it uses as much as digits as its factorization.

121301201496779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 121301201496779 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred one million, four hundred ninety-six thousand, seven hundred seventy-nine".