122545242439 has 2 divisors, whose sum is σ = 122545242440. Its totient is φ = 122545242438.

The previous prime is 122545242371. The next prime is 122545242451. The reversal of 122545242439 is 934242545221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122545242439 - 2⁷ = 122545242311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122545242395 and 122545242404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122545242539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61272621219 + 61272621220.

It is an arithmetic number, because the mean of its divisors is an integer number (61272621220).

Almost surely, 2^122545242439 is an apocalyptic number.

122545242439 is a deficient number, since it is larger than the sum of its proper divisors (1).

122545242439 is an equidigital number, since it uses as much as digits as its factorization.

122545242439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 43.

The spelling of 122545242439 in words is "one hundred twenty-two billion, five hundred forty-five million, two hundred forty-two thousand, four hundred thirty-nine".