1204303 has 4 divisors (see below), whose sum is σ = 1256688. Its totient is φ = 1151920.

The previous prime is 1204289. The next prime is 1204309. The reversal of 1204303 is 3034021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3034021 = 229 ⋅13249.

It is a cyclic number.

It is not a de Polignac number, because 1204303 - 2⁵ = 1204271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204309) 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, 26158 + ... + 26203.

It is an arithmetic number, because the mean of its divisors is an integer number (314172).

2^1204303 is an apocalyptic number.

1204303 is a deficient number, since it is larger than the sum of its proper divisors (52385).

1204303 is an equidigital number, since it uses as much as digits as its factorization.

1204303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52384.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1204303 is about 1097.4073992825. The cubic root of 1204303 is about 106.3927226164.

Adding to 1204303 its reverse (3034021), we get a palindrome (4238324).

It can be divided in two parts, 1 and 204303, that added together give a square (204304 = 452²).

The spelling of 1204303 in words is "one million, two hundred four thousand, three hundred three".