122232401 has 2 divisors, whose sum is σ = 122232402. Its totient is φ = 122232400.

The previous prime is 122232391. The next prime is 122232403. The reversal of 122232401 is 104232221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120978001 + 1254400 = 10999^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 122232401 - 2⁶ = 122232337 is a prime.

Together with 122232403, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122232401.

It is not a weakly prime, because it can be changed into another prime (122232403) 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, 61116200 + 61116201.

It is an arithmetic number, because the mean of its divisors is an integer number (61116201).

Almost surely, 2^122232401 is an apocalyptic number.

It is an amenable number.

122232401 is a deficient number, since it is larger than the sum of its proper divisors (1).

122232401 is an equidigital number, since it uses as much as digits as its factorization.

122232401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 122232401 is about 11055.8763108132. The cubic root of 122232401 is about 496.2822938333.

Adding to 122232401 its reverse (104232221), we get a palindrome (226464622).

The spelling of 122232401 in words is "one hundred twenty-two million, two hundred thirty-two thousand, four hundred one".