122608949 has 2 divisors, whose sum is σ = 122608950. Its totient is φ = 122608948.

The previous prime is 122608939. The next prime is 122608973. The reversal of 122608949 is 949806221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122434225 + 174724 = 11065^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 122608949 - 2⁴ = 122608933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122608909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61304474 + 61304475.

It is an arithmetic number, because the mean of its divisors is an integer number (61304475).

Almost surely, 2^122608949 is an apocalyptic number.

It is an amenable number.

122608949 is a deficient number, since it is larger than the sum of its proper divisors (1).

122608949 is an equidigital number, since it uses as much as digits as its factorization.

122608949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 122608949 is about 11072.8925308611. The cubic root of 122608949 is about 496.7913856321.

The spelling of 122608949 in words is "one hundred twenty-two million, six hundred eight thousand, nine hundred forty-nine".