122669329 has 2 divisors, whose sum is σ = 122669330. Its totient is φ = 122669328.

The previous prime is 122669321. The next prime is 122669341. The reversal of 122669329 is 923966221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67568400 + 55100929 = 8220^2 + 7423^2 .

It is a cyclic number.

It is not a de Polignac number, because 122669329 - 2³ = 122669321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122669291 and 122669300.

It is not a weakly prime, because it can be changed into another prime (122669321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61334664 + 61334665.

It is an arithmetic number, because the mean of its divisors is an integer number (61334665).

Almost surely, 2^122669329 is an apocalyptic number.

It is an amenable number.

122669329 is a deficient number, since it is larger than the sum of its proper divisors (1).

122669329 is an equidigital number, since it uses as much as digits as its factorization.

122669329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 122669329 is about 11075.6186734647. The cubic root of 122669329 is about 496.8729222069.

The spelling of 122669329 in words is "one hundred twenty-two million, six hundred sixty-nine thousand, three hundred twenty-nine".