122442613 has 4 divisors (see below), whose sum is σ = 122898060. Its totient is φ = 121987168.

The previous prime is 122442601. The next prime is 122442647. The reversal of 122442613 is 316244221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32913169 + 89529444 = 5737^2 + 9462^2 .

It is a cyclic number.

It is not a de Polignac number, because 122442613 - 2⁹ = 122442101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122442013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227320 + ... + 227857.

It is an arithmetic number, because the mean of its divisors is an integer number (30724515).

Almost surely, 2^122442613 is an apocalyptic number.

It is an amenable number.

122442613 is a deficient number, since it is larger than the sum of its proper divisors (455447).

122442613 is an equidigital number, since it uses as much as digits as its factorization.

122442613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455446.

The product of its digits is 2304, while the sum is 25.

The square root of 122442613 is about 11065.3790264952. The cubic root of 122442613 is about 496.5666285513.

Adding to 122442613 its reverse (316244221), we get a palindrome (438686834).

The spelling of 122442613 in words is "one hundred twenty-two million, four hundred forty-two thousand, six hundred thirteen".