122077802393 has 2 divisors, whose sum is σ = 122077802394. Its totient is φ = 122077802392.

The previous prime is 122077802381. The next prime is 122077802461. The reversal of 122077802393 is 393208770221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76025929984 + 46051872409 = 275728^2 + 214597^2 .

It is a cyclic number.

It is not a de Polignac number, because 122077802393 - 2²⁰ = 122076753817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122077802593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61038901196 + 61038901197.

It is an arithmetic number, because the mean of its divisors is an integer number (61038901197).

Almost surely, 2^122077802393 is an apocalyptic number.

It is an amenable number.

122077802393 is a deficient number, since it is larger than the sum of its proper divisors (1).

122077802393 is an equidigital number, since it uses as much as digits as its factorization.

122077802393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 122077802393 in words is "one hundred twenty-two billion, seventy-seven million, eight hundred two thousand, three hundred ninety-three".