122941772939 has 2 divisors, whose sum is σ = 122941772940. Its totient is φ = 122941772938.

The previous prime is 122941772801. The next prime is 122941772999. The reversal of 122941772939 is 939277149221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122941772939 is a prime.

It is a super-2 number, since 2×122941772939² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122941772999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61470886469 + 61470886470.

It is an arithmetic number, because the mean of its divisors is an integer number (61470886470).

Almost surely, 2^122941772939 is an apocalyptic number.

122941772939 is a deficient number, since it is larger than the sum of its proper divisors (1).

122941772939 is an equidigital number, since it uses as much as digits as its factorization.

122941772939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 56.

The spelling of 122941772939 in words is "one hundred twenty-two billion, nine hundred forty-one million, seven hundred seventy-two thousand, nine hundred thirty-nine".