122806349 has 2 divisors, whose sum is σ = 122806350. Its totient is φ = 122806348.

The previous prime is 122806339. The next prime is 122806363. The reversal of 122806349 is 943608221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78676900 + 44129449 = 8870^2 + 6643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122806349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122806309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61403174 + 61403175.

It is an arithmetic number, because the mean of its divisors is an integer number (61403175).

Almost surely, 2^122806349 is an apocalyptic number.

It is an amenable number.

122806349 is a deficient number, since it is larger than the sum of its proper divisors (1).

122806349 is an equidigital number, since it uses as much as digits as its factorization.

122806349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 122806349 is about 11081.8026060745. The cubic root of 122806349 is about 497.0578535052.

The spelling of 122806349 in words is "one hundred twenty-two million, eight hundred six thousand, three hundred forty-nine".