304042120 has 16 divisors (see below), whose sum is σ = 684094860. Its totient is φ = 121616832.

The previous prime is 304042103. The next prime is 304042133. The reversal of 304042120 is 21240403.

304042120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 273770116 + 30272004 = 16546^2 + 5502^2 .

It is a super-2 number, since 2×304042120² = 184883221468188800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304042094 and 304042103.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 3800487 + ... + 3800566.

Almost surely, 2^304042120 is an apocalyptic number.

It is an amenable number.

304042120 is an abundant number, since it is smaller than the sum of its proper divisors (380052740).

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

304042120 is a wasteful number, since it uses less digits than its factorization.

304042120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601064 (or 7601060 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 304042120 is about 17436.8036061659. The cubic root of 304042120 is about 672.4261339617.

Adding to 304042120 its reverse (21240403), we get a palindrome (325282523).

The spelling of 304042120 in words is "three hundred four million, forty-two thousand, one hundred twenty".