128327 has 2 divisors, whose sum is σ = 128328. Its totient is φ = 128326.

The previous prime is 128321. The next prime is 128339. The reversal of 128327 is 723821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128327 - 2⁴ = 128311 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 2² + 3⁸ + 8⁴ + 2⁴ + 7⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128321) 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 as a sum of consecutive naturals, namely, 64163 + 64164.

It is an arithmetic number, because the mean of its divisors is an integer number (64164).

2¹²⁸³²⁷ is an apocalyptic number.

128327 is a deficient number, since it is larger than the sum of its proper divisors (1).

128327 is an equidigital number, since it uses as much as digits as its factorization.

128327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 128327 is about 358.2275812943. The cubic root of 128327 is about 50.4397215626.

The spelling of 128327 in words is "one hundred twenty-eight thousand, three hundred twenty-seven".