304949121 has 16 divisors (see below), whose sum is σ = 414967104. Its totient is φ = 199128384.

The previous prime is 304949119. The next prime is 304949129. The reversal of 304949121 is 121949403.

It is not a de Polignac number, because 304949121 - 2¹ = 304949119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (304949129) 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, 123915 + ... + 126351.

It is an arithmetic number, because the mean of its divisors is an integer number (25935444).

Almost surely, 2^304949121 is an apocalyptic number.

It is an amenable number.

304949121 is a deficient number, since it is larger than the sum of its proper divisors (110017983).

304949121 is a wasteful number, since it uses less digits than its factorization.

304949121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 304949121 is about 17462.7924742866. The cubic root of 304949121 is about 673.0941178526.

The spelling of 304949121 in words is "three hundred four million, nine hundred forty-nine thousand, one hundred twenty-one".