1304203 has 4 divisors (see below), whose sum is σ = 1332000. Its totient is φ = 1276408.

The previous prime is 1304183. The next prime is 1304207. The reversal of 1304203 is 3024031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3024031 = 1283 ⋅2357.

It is a cyclic number.

It is not a de Polignac number, because 1304203 - 2¹³ = 1296011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304207) 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, 13828 + ... + 13921.

It is an arithmetic number, because the mean of its divisors is an integer number (333000).

2^1304203 is an apocalyptic number.

1304203 is a deficient number, since it is larger than the sum of its proper divisors (27797).

1304203 is an equidigital number, since it uses as much as digits as its factorization.

1304203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27796.

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

The square root of 1304203 is about 1142.0170751788. The cubic root of 1304203 is about 109.2567803481.

Adding to 1304203 its reverse (3024031), we get a palindrome (4328234).

The spelling of 1304203 in words is "one million, three hundred four thousand, two hundred three".