304122 has 32 divisors (see below), whose sum is σ = 749952. Its totient is φ = 80064.

The previous prime is 304099. The next prime is 304127. The reversal of 304122 is 221403.

It is a junction number, because it is equal to n+sod(n) for n = 304098 and 304107.

It is not an unprimeable number, because it can be changed into a prime (304127) by changing a digit.

304122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268 + ... + 824.

It is an arithmetic number, because the mean of its divisors is an integer number (23436).

2³⁰⁴¹²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374976).

304122 is an abundant number, since it is smaller than the sum of its proper divisors (445830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304122 is a wasteful number, since it uses less digits than its factorization.

304122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 304122 is about 551.4725741141. The cubic root of 304122 is about 67.2485016918.

Adding to 304122 its reverse (221403), we get a palindrome (525525).

The spelling of 304122 in words is "three hundred four thousand, one hundred twenty-two", and thus it is an iban number.