304103121 has 16 divisors (see below), whose sum is σ = 468604800. Its totient is φ = 171819648.

The previous prime is 304103099. The next prime is 304103141. The reversal of 304103121 is 121301403.

It is not a de Polignac number, because 304103121 - 2⁷ = 304102993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 304103121.

It is not an unprimeable number, because it can be changed into a prime (304103141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79486 + ... + 83223.

It is an arithmetic number, because the mean of its divisors is an integer number (29287800).

Almost surely, 2^304103121 is an apocalyptic number.

It is an amenable number.

304103121 is a deficient number, since it is larger than the sum of its proper divisors (164501679).

304103121 is a wasteful number, since it uses less digits than its factorization.

304103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162808.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 304103121 is about 17438.5527209112. The cubic root of 304103121 is about 672.4711013319.

Adding to 304103121 its reverse (121301403), we get a palindrome (425404524).

The spelling of 304103121 in words is "three hundred four million, one hundred three thousand, one hundred twenty-one".