122442239 has 2 divisors, whose sum is σ = 122442240. Its totient is φ = 122442238.

The previous prime is 122442233. The next prime is 122442293. The reversal of 122442239 is 932244221.

It is a happy number.

Together with next prime (122442293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (932244221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122442239 - 2⁴ = 122442223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122442233) 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, 61221119 + 61221120.

It is an arithmetic number, because the mean of its divisors is an integer number (61221120).

Almost surely, 2^122442239 is an apocalyptic number.

122442239 is a deficient number, since it is larger than the sum of its proper divisors (1).

122442239 is an equidigital number, since it uses as much as digits as its factorization.

122442239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 122442239 is about 11065.3621269256. The cubic root of 122442239 is about 496.5661229645.

The spelling of 122442239 in words is "one hundred twenty-two million, four hundred forty-two thousand, two hundred thirty-nine".