122805029 has 2 divisors, whose sum is σ = 122805030. Its totient is φ = 122805028.

The previous prime is 122804989. The next prime is 122805041. The reversal of 122805029 is 920508221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120780100 + 2024929 = 10990^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 122805029 - 2¹⁶ = 122739493 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122804992 and 122805010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122805049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61402514 + 61402515.

It is an arithmetic number, because the mean of its divisors is an integer number (61402515).

Almost surely, 2^122805029 is an apocalyptic number.

It is an amenable number.

122805029 is a deficient number, since it is larger than the sum of its proper divisors (1).

122805029 is an equidigital number, since it uses as much as digits as its factorization.

122805029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 122805029 is about 11081.7430488168. The cubic root of 122805029 is about 497.0560726018.

The spelling of 122805029 in words is "one hundred twenty-two million, eight hundred five thousand, twenty-nine".