304120 has 16 divisors (see below), whose sum is σ = 684360. Its totient is φ = 121632.

The previous prime is 304099. The next prime is 304127. The reversal of 304120 is 21403.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 304097 and 304106.

It is a congruent number.

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

304120 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3762 + ... + 3841.

2³⁰⁴¹²⁰ is an apocalyptic number.

It is an amenable number.

304120 is an abundant number, since it is smaller than the sum of its proper divisors (380240).

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

304120 is a wasteful number, since it uses less digits than its factorization.

304120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614 (or 7610 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 304120 is about 551.4707607843. The cubic root of 304120 is about 67.2483542758.

Adding to 304120 its reverse (21403), we get a palindrome (325523).

It can be divided in two parts, 304 and 120, that added together give a palindrome (424).

The spelling of 304120 in words is "three hundred four thousand, one hundred twenty", and thus it is an iban number.