1204403 has 4 divisors (see below), whose sum is σ = 1206768. Its totient is φ = 1202040.

The previous prime is 1204397. The next prime is 1204409. The reversal of 1204403 is 3044021.

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

It is an interprime number because it is at equal distance from previous prime (1204397) and next prime (1204409).

It is a cyclic number.

It is not a de Polignac number, because 1204403 - 2¹² = 1200307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204409) 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, 68 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (301692).

2^1204403 is an apocalyptic number.

1204403 is a deficient number, since it is larger than the sum of its proper divisors (2365).

1204403 is an equidigital number, since it uses as much as digits as its factorization.

1204403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1204403 is about 1097.4529602675. The cubic root of 1204403 is about 106.3956673288.

Adding to 1204403 its reverse (3044021), we get a palindrome (4248424).

The spelling of 1204403 in words is "one million, two hundred four thousand, four hundred three".