122004409 has 2 divisors, whose sum is σ = 122004410. Its totient is φ = 122004408.

The previous prime is 122004403. The next prime is 122004419. The reversal of 122004409 is 904400221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64850809 + 57153600 = 8053^2 + 7560^2 .

It is a cyclic number.

It is not a de Polignac number, because 122004409 - 2⁹ = 122003897 is a prime.

It is a super-3 number, since 3×122004409³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122004409.

It is not a weakly prime, because it can be changed into another prime (122004403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61002204 + 61002205.

It is an arithmetic number, because the mean of its divisors is an integer number (61002205).

Almost surely, 2^122004409 is an apocalyptic number.

It is an amenable number.

122004409 is a deficient number, since it is larger than the sum of its proper divisors (1).

122004409 is an equidigital number, since it uses as much as digits as its factorization.

122004409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 122004409 is about 11045.5606014362. The cubic root of 122004409 is about 495.9735409598.

The spelling of 122004409 in words is "one hundred twenty-two million, four thousand, four hundred nine".