1204306 has 4 divisors (see below), whose sum is σ = 1806462. Its totient is φ = 602152.

The previous prime is 1204289. The next prime is 1204309. The reversal of 1204306 is 6034021.

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., 707281 + 497025 = 841^2 + 705^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1204306.

It is not an unprimeable number, because it can be changed into a prime (1204309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301075 + ... + 301078.

2^1204306 is an apocalyptic number.

1204306 is a deficient number, since it is larger than the sum of its proper divisors (602156).

1204306 is an equidigital number, since it uses as much as digits as its factorization.

1204306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602155.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1204306 is about 1097.4087661396. The cubic root of 1204306 is about 106.3928109602.

Adding to 1204306 its reverse (6034021), we get a palindrome (7238327).

The spelling of 1204306 in words is "one million, two hundred four thousand, three hundred six".