122563434559 has 2 divisors, whose sum is σ = 122563434560. Its totient is φ = 122563434558.

The previous prime is 122563434527. The next prime is 122563434569. The reversal of 122563434559 is 955434365221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122563434559 - 2⁵ = 122563434527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122563434569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61281717279 + 61281717280.

It is an arithmetic number, because the mean of its divisors is an integer number (61281717280).

Almost surely, 2^122563434559 is an apocalyptic number.

122563434559 is a deficient number, since it is larger than the sum of its proper divisors (1).

122563434559 is an equidigital number, since it uses as much as digits as its factorization.

122563434559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 49.

The spelling of 122563434559 in words is "one hundred twenty-two billion, five hundred sixty-three million, four hundred thirty-four thousand, five hundred fifty-nine".