122068409 has 2 divisors, whose sum is σ = 122068410. Its totient is φ = 122068408.

The previous prime is 122068403. The next prime is 122068417. The reversal of 122068409 is 904860221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 49392784 = 8525^2 + 7028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122068409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122068403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61034204 + 61034205.

It is an arithmetic number, because the mean of its divisors is an integer number (61034205).

Almost surely, 2^122068409 is an apocalyptic number.

It is an amenable number.

122068409 is a deficient number, since it is larger than the sum of its proper divisors (1).

122068409 is an equidigital number, since it uses as much as digits as its factorization.

122068409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 122068409 is about 11048.4573131275. The cubic root of 122068409 is about 496.0602502794.

The spelling of 122068409 in words is "one hundred twenty-two million, sixty-eight thousand, four hundred nine".