122302021 has 2 divisors, whose sum is σ = 122302022. Its totient is φ = 122302020.

The previous prime is 122302013. The next prime is 122302027. The reversal of 122302021 is 120203221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117288900 + 5013121 = 10830^2 + 2239^2 .

It is a cyclic number.

It is not a de Polignac number, because 122302021 - 2³ = 122302013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122301992 and 122302010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122302027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61151010 + 61151011.

It is an arithmetic number, because the mean of its divisors is an integer number (61151011).

Almost surely, 2^122302021 is an apocalyptic number.

It is an amenable number.

122302021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122302021 is an equidigital number, since it uses as much as digits as its factorization.

122302021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122302021 is about 11059.0244144771. The cubic root of 122302021 is about 496.3764985758.

Adding to 122302021 its reverse (120203221), we get a palindrome (242505242).

The spelling of 122302021 in words is "one hundred twenty-two million, three hundred two thousand, twenty-one".