1328255 has 8 divisors (see below), whose sum is σ = 1600224. Its totient is φ = 1058400.

The previous prime is 1328237. The next prime is 1328269. The reversal of 1328255 is 5528231.

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

It is not a de Polignac number, because 1328255 - 2⁸ = 1327999 is a prime.

It is a super-2 number, since 2×1328255² = 3528522690050, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1790 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (200028).

2^1328255 is an apocalyptic number.

1328255 is a deficient number, since it is larger than the sum of its proper divisors (271969).

1328255 is an equidigital number, since it uses as much as digits as its factorization.

1328255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 2400, while the sum is 26.

The square root of 1328255 is about 1152.4994577005. The cubic root of 1328255 is about 109.9243281206.

The spelling of 1328255 in words is "one million, three hundred twenty-eight thousand, two hundred fifty-five".