122613321 has 4 divisors (see below), whose sum is σ = 163484432. Its totient is φ = 81742212.

The previous prime is 122613319. The next prime is 122613331. The reversal of 122613321 is 123316221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122613321 - 2¹ = 122613319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122613331) 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, 20435551 + ... + 20435556.

It is an arithmetic number, because the mean of its divisors is an integer number (40871108).

Almost surely, 2^122613321 is an apocalyptic number.

It is an amenable number.

122613321 is a deficient number, since it is larger than the sum of its proper divisors (40871111).

122613321 is an equidigital number, since it uses as much as digits as its factorization.

122613321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40871110.

The product of its digits is 432, while the sum is 21.

The square root of 122613321 is about 11073.0899481581. The cubic root of 122613321 is about 496.7972904380.

Adding to 122613321 its reverse (123316221), we get a palindrome (245929542).

The spelling of 122613321 in words is "one hundred twenty-two million, six hundred thirteen thousand, three hundred twenty-one".