1323001 has 2 divisors, whose sum is σ = 1323002. Its totient is φ = 1323000.

The previous prime is 1322977. The next prime is 1323017. The reversal of 1323001 is 1003231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 469225 = 924^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323001 - 2⁷ = 1322873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661500 + 661501.

It is an arithmetic number, because the mean of its divisors is an integer number (661501).

2^1323001 is an apocalyptic number.

It is an amenable number.

1323001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323001 is an equidigital number, since it uses as much as digits as its factorization.

1323001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1323001 is about 1150.2178054612. The cubic root of 1323001 is about 109.7791989598.

Adding to 1323001 its reverse (1003231), we get a palindrome (2326232).

The spelling of 1323001 in words is "one million, three hundred twenty-three thousand, one".