1322403 has 8 divisors (see below), whose sum is σ = 1796688. Its totient is φ = 864864.

The previous prime is 1322389. The next prime is 1322423. The reversal of 1322403 is 3042231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1322403 - 2⁸ = 1322147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1322423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000 + ... + 4317.

It is an arithmetic number, because the mean of its divisors is an integer number (224586).

2^1322403 is an apocalyptic number.

1322403 is a deficient number, since it is larger than the sum of its proper divisors (474285).

1322403 is an equidigital number, since it uses as much as digits as its factorization.

1322403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8373.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1322403 is about 1149.9578253136. The cubic root of 1322403 is about 109.7626563030.

Adding to 1322403 its reverse (3042231), we get a palindrome (4364634).

The spelling of 1322403 in words is "one million, three hundred twenty-two thousand, four hundred three".