121384696717 has 2 divisors, whose sum is σ = 121384696718. Its totient is φ = 121384696716.

The previous prime is 121384696691. The next prime is 121384696757. The reversal of 121384696717 is 717696483121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120107992356 + 1276704361 = 346566^2 + 35731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121384696717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121384696757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60692348358 + 60692348359.

It is an arithmetic number, because the mean of its divisors is an integer number (60692348359).

Almost surely, 2^121384696717 is an apocalyptic number.

It is an amenable number.

121384696717 is a deficient number, since it is larger than the sum of its proper divisors (1).

121384696717 is an equidigital number, since it uses as much as digits as its factorization.

121384696717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 55.

The spelling of 121384696717 in words is "one hundred twenty-one billion, three hundred eighty-four million, six hundred ninety-six thousand, seven hundred seventeen".