122442013 has 2 divisors, whose sum is σ = 122442014. Its totient is φ = 122442012.

The previous prime is 122441999. The next prime is 122442037. The reversal of 122442013 is 310244221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102353689 + 20088324 = 10117^2 + 4482^2 .

It is a cyclic number.

It is not a de Polignac number, because 122442013 - 2⁵ = 122441981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122442053) 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, 61221006 + 61221007.

It is an arithmetic number, because the mean of its divisors is an integer number (61221007).

Almost surely, 2^122442013 is an apocalyptic number.

It is an amenable number.

122442013 is a deficient number, since it is larger than the sum of its proper divisors (1).

122442013 is an equidigital number, since it uses as much as digits as its factorization.

122442013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 122442013 is about 11065.3519148737. The cubic root of 122442013 is about 496.5658174490.

Adding to 122442013 its reverse (310244221), we get a palindrome (432686234).

The spelling of 122442013 in words is "one hundred twenty-two million, four hundred forty-two thousand, thirteen".