122555314155047 has 2 divisors, whose sum is σ = 122555314155048. Its totient is φ = 122555314155046.

The previous prime is 122555314155019. The next prime is 122555314155067. The reversal of 122555314155047 is 740551413555221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122555314155047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122555314154986 and 122555314155004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122555314155067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277657077523 + 61277657077524.

It is an arithmetic number, because the mean of its divisors is an integer number (61277657077524).

Almost surely, 2^{122555314155047} is an apocalyptic number.

122555314155047 is a deficient number, since it is larger than the sum of its proper divisors (1).

122555314155047 is an equidigital number, since it uses as much as digits as its factorization.

122555314155047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200000, while the sum is 50.

The spelling of 122555314155047 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred fourteen million, one hundred fifty-five thousand, forty-seven".