122553022027 has 2 divisors, whose sum is σ = 122553022028. Its totient is φ = 122553022026.

The previous prime is 122553022013. The next prime is 122553022079. The reversal of 122553022027 is 720220355221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (720220355221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122553022027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122553022027.

It is not a weakly prime, because it can be changed into another prime (122553922027) 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, 61276511013 + 61276511014.

It is an arithmetic number, because the mean of its divisors is an integer number (61276511014).

Almost surely, 2^122553022027 is an apocalyptic number.

122553022027 is a deficient number, since it is larger than the sum of its proper divisors (1).

122553022027 is an equidigital number, since it uses as much as digits as its factorization.

122553022027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 122553022027 its reverse (720220355221), we get a palindrome (842773377248).

The spelling of 122553022027 in words is "one hundred twenty-two billion, five hundred fifty-three million, twenty-two thousand, twenty-seven".