1323255 has 16 divisors (see below), whose sum is σ = 2229120. Its totient is φ = 668448.

The previous prime is 1323253. The next prime is 1323281. The reversal of 1323255 is 5523231.

It is not a de Polignac number, because 1323255 - 2¹ = 1323253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (139320).

2^1323255 is an apocalyptic number.

1323255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323255 is a deficient number, since it is larger than the sum of its proper divisors (905865).

1323255 is a wasteful number, since it uses less digits than its factorization.

1323255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670.

The product of its digits is 900, while the sum is 21.

The square root of 1323255 is about 1150.3282140328. The cubic root of 1323255 is about 109.7862239312.

Adding to 1323255 its reverse (5523231), we get a palindrome (6846486).

The spelling of 1323255 in words is "one million, three hundred twenty-three thousand, two hundred fifty-five".