122352121 has 2 divisors, whose sum is σ = 122352122. Its totient is φ = 122352120.

The previous prime is 122352103. The next prime is 122352137. The reversal of 122352121 is 121253221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122345721 + 6400 = 11061^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 122352121 - 2⁵ = 122352089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122352101) 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, 61176060 + 61176061.

It is an arithmetic number, because the mean of its divisors is an integer number (61176061).

Almost surely, 2^122352121 is an apocalyptic number.

It is an amenable number.

122352121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122352121 is an equidigital number, since it uses as much as digits as its factorization.

122352121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 122352121 is about 11061.2893009811. The cubic root of 122352121 is about 496.4442681499. Note that the first 3 decimals are identical.

The spelling of 122352121 in words is "one hundred twenty-two million, three hundred fifty-two thousand, one hundred twenty-one".