122663742239 has 2 divisors, whose sum is σ = 122663742240. Its totient is φ = 122663742238.

The previous prime is 122663742133. The next prime is 122663742247. The reversal of 122663742239 is 932247366221.

It is a strong prime.

It is an emirp because it is prime and its reverse (932247366221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122663742239 - 2¹⁶ = 122663676703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122663742193 and 122663742202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122663772239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61331871119 + 61331871120.

It is an arithmetic number, because the mean of its divisors is an integer number (61331871120).

Almost surely, 2^122663742239 is an apocalyptic number.

122663742239 is a deficient number, since it is larger than the sum of its proper divisors (1).

122663742239 is an equidigital number, since it uses as much as digits as its factorization.

122663742239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 47.

The spelling of 122663742239 in words is "one hundred twenty-two billion, six hundred sixty-three million, seven hundred forty-two thousand, two hundred thirty-nine".