122946111289 has 2 divisors, whose sum is σ = 122946111290. Its totient is φ = 122946111288.

The previous prime is 122946111271. The next prime is 122946111347. The reversal of 122946111289 is 982111649221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118944283689 + 4001827600 = 344883^2 + 63260^2 .

It is a cyclic number.

It is not a de Polignac number, because 122946111289 - 2³¹ = 120798627641 is a prime.

It is not a weakly prime, because it can be changed into another prime (122946111269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61473055644 + 61473055645.

It is an arithmetic number, because the mean of its divisors is an integer number (61473055645).

Almost surely, 2^122946111289 is an apocalyptic number.

It is an amenable number.

122946111289 is a deficient number, since it is larger than the sum of its proper divisors (1).

122946111289 is an equidigital number, since it uses as much as digits as its factorization.

122946111289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 46.

The spelling of 122946111289 in words is "one hundred twenty-two billion, nine hundred forty-six million, one hundred eleven thousand, two hundred eighty-nine".