122097929 has 2 divisors, whose sum is σ = 122097930. Its totient is φ = 122097928.

The previous prime is 122097923. The next prime is 122097949. The reversal of 122097929 is 929790221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102313225 + 19784704 = 10115^2 + 4448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122097929 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122097923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61048964 + 61048965.

It is an arithmetic number, because the mean of its divisors is an integer number (61048965).

Almost surely, 2^122097929 is an apocalyptic number.

It is an amenable number.

122097929 is a deficient number, since it is larger than the sum of its proper divisors (1).

122097929 is an equidigital number, since it uses as much as digits as its factorization.

122097929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 122097929 is about 11049.7931654850. The cubic root of 122097929 is about 496.1002347395.

The spelling of 122097929 in words is "one hundred twenty-two million, ninety-seven thousand, nine hundred twenty-nine".