304128106 has 4 divisors (see below), whose sum is σ = 456192162. Its totient is φ = 152064052.

The previous prime is 304128101. The next prime is 304128109. The reversal of 304128106 is 601821403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 206928225 + 97199881 = 14385^2 + 9859^2 .

It is not an unprimeable number, because it can be changed into a prime (304128101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76032025 + ... + 76032028.

Almost surely, 2^304128106 is an apocalyptic number.

304128106 is a deficient number, since it is larger than the sum of its proper divisors (152064056).

304128106 is a wasteful number, since it uses less digits than its factorization.

304128106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152064055.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 304128106 is about 17439.2690787200. The cubic root of 304128106 is about 672.4895174865.

Adding to 304128106 its reverse (601821403), we get a palindrome (905949509).

The spelling of 304128106 in words is "three hundred four million, one hundred twenty-eight thousand, one hundred six".