122362609 has 2 divisors, whose sum is σ = 122362610. Its totient is φ = 122362608.

The previous prime is 122362577. The next prime is 122362619. The reversal of 122362609 is 906263221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120121600 + 2241009 = 10960^2 + 1497^2 .

It is a cyclic number.

It is not a de Polignac number, because 122362609 - 2⁵ = 122362577 is a prime.

It is not a weakly prime, because it can be changed into another prime (122362619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61181304 + 61181305.

It is an arithmetic number, because the mean of its divisors is an integer number (61181305).

Almost surely, 2^122362609 is an apocalyptic number.

It is an amenable number.

122362609 is a deficient number, since it is larger than the sum of its proper divisors (1).

122362609 is an equidigital number, since it uses as much as digits as its factorization.

122362609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 122362609 is about 11061.7633766050. The cubic root of 122362609 is about 496.4584527800.

The spelling of 122362609 in words is "one hundred twenty-two million, three hundred sixty-two thousand, six hundred nine".