122009102909 has 2 divisors, whose sum is σ = 122009102910. Its totient is φ = 122009102908.

The previous prime is 122009102879. The next prime is 122009102911. The reversal of 122009102909 is 909201900221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121863828100 + 145274809 = 349090^2 + 12053^2 .

It is a cyclic number.

It is not a de Polignac number, because 122009102909 - 2⁸ = 122009102653 is a prime.

Together with 122009102911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122009102989) 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, 61004551454 + 61004551455.

It is an arithmetic number, because the mean of its divisors is an integer number (61004551455).

Almost surely, 2^122009102909 is an apocalyptic number.

It is an amenable number.

122009102909 is a deficient number, since it is larger than the sum of its proper divisors (1).

122009102909 is an equidigital number, since it uses as much as digits as its factorization.

122009102909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 122009102909 in words is "one hundred twenty-two billion, nine million, one hundred two thousand, nine hundred nine".