122301209 has 2 divisors, whose sum is σ = 122301210. Its totient is φ = 122301208.

The previous prime is 122301199. The next prime is 122301241. The reversal of 122301209 is 902103221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121771225 + 529984 = 11035^2 + 728^2 .

It is a cyclic number.

It is not a de Polignac number, because 122301209 - 2¹² = 122297113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122301269) 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, 61150604 + 61150605.

It is an arithmetic number, because the mean of its divisors is an integer number (61150605).

Almost surely, 2^122301209 is an apocalyptic number.

It is an amenable number.

122301209 is a deficient number, since it is larger than the sum of its proper divisors (1).

122301209 is an equidigital number, since it uses as much as digits as its factorization.

122301209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 122301209 is about 11058.9877023171. The cubic root of 122301209 is about 496.3754000423.

The spelling of 122301209 in words is "one hundred twenty-two million, three hundred one thousand, two hundred nine".