304344121 has 4 divisors (see below), whose sum is σ = 305685072. Its totient is φ = 303003172.

The previous prime is 304344097. The next prime is 304344167. The reversal of 304344121 is 121443403.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121443403 = 4093 ⋅29671.

It is a cyclic number.

It is not a de Polignac number, because 304344121 - 2¹³ = 304335929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304344092 and 304344101.

It is not an unprimeable number, because it can be changed into a prime (304344181) 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, 670135 + ... + 670588.

It is an arithmetic number, because the mean of its divisors is an integer number (76421268).

Almost surely, 2^304344121 is an apocalyptic number.

It is an amenable number.

304344121 is a deficient number, since it is larger than the sum of its proper divisors (1340951).

304344121 is a wasteful number, since it uses less digits than its factorization.

304344121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340950.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 304344121 is about 17445.4613295264. The cubic root of 304344121 is about 672.6486976044.

Adding to 304344121 its reverse (121443403), we get a palindrome (425787524).

The spelling of 304344121 in words is "three hundred four million, three hundred forty-four thousand, one hundred twenty-one".