122851618927 has 2 divisors, whose sum is σ = 122851618928. Its totient is φ = 122851618926.

The previous prime is 122851618913. The next prime is 122851618993. The reversal of 122851618927 is 729816158221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122851618927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122851618627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61425809463 + 61425809464.

It is an arithmetic number, because the mean of its divisors is an integer number (61425809464).

Almost surely, 2^122851618927 is an apocalyptic number.

122851618927 is a deficient number, since it is larger than the sum of its proper divisors (1).

122851618927 is an equidigital number, since it uses as much as digits as its factorization.

122851618927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 52.

The spelling of 122851618927 in words is "one hundred twenty-two billion, eight hundred fifty-one million, six hundred eighteen thousand, nine hundred twenty-seven".