1080811 has 2 divisors, whose sum is σ = 1080812. Its totient is φ = 1080810.

The previous prime is 1080803. The next prime is 1080817. The reversal of 1080811 is 1180801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1080811 - 2³ = 1080803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1080817) 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, 540405 + 540406.

It is an arithmetic number, because the mean of its divisors is an integer number (540406).

2^1080811 is an apocalyptic number.

1080811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080811 is an equidigital number, since it uses as much as digits as its factorization.

1080811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 1080811 is about 1039.6206038743. The cubic root of 1080811 is about 102.6242316805.

It can be divided in two parts, 1080 and 811, that added together give a triangular number (1891 = T₆₁).

The spelling of 1080811 in words is "one million, eighty thousand, eight hundred eleven".