122344661 has 2 divisors, whose sum is σ = 122344662. Its totient is φ = 122344660.

The previous prime is 122344657. The next prime is 122344709. The reversal of 122344661 is 166443221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120670225 + 1674436 = 10985^2 + 1294^2 .

It is a cyclic number.

It is not a de Polignac number, because 122344661 - 2² = 122344657 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122344361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61172330 + 61172331.

It is an arithmetic number, because the mean of its divisors is an integer number (61172331).

Almost surely, 2^122344661 is an apocalyptic number.

It is an amenable number.

122344661 is a deficient number, since it is larger than the sum of its proper divisors (1).

122344661 is an equidigital number, since it uses as much as digits as its factorization.

122344661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 122344661 is about 11060.9520837946. The cubic root of 122344661 is about 496.4341782839.

Adding to 122344661 its reverse (166443221), we get a palindrome (288787882).

The spelling of 122344661 in words is "one hundred twenty-two million, three hundred forty-four thousand, six hundred sixty-one".