121394058277 has 2 divisors, whose sum is σ = 121394058278. Its totient is φ = 121394058276.

The previous prime is 121394058217. The next prime is 121394058301. The reversal of 121394058277 is 772850493121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91958136516 + 29435921761 = 303246^2 + 171569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121394058277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121394058277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121394058217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60697029138 + 60697029139.

It is an arithmetic number, because the mean of its divisors is an integer number (60697029139).

Almost surely, 2^121394058277 is an apocalyptic number.

It is an amenable number.

121394058277 is a deficient number, since it is larger than the sum of its proper divisors (1).

121394058277 is an equidigital number, since it uses as much as digits as its factorization.

121394058277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 121394058277 in words is "one hundred twenty-one billion, three hundred ninety-four million, fifty-eight thousand, two hundred seventy-seven".