1080005 has 8 divisors (see below), whose sum is σ = 1317624. Its totient is φ = 849600.

The previous prime is 1079999. The next prime is 1080007. The reversal of 1080005 is 5000801.

It can be written as a sum of positive squares in 4 ways, for example, as 484 + 1079521 = 22^2 + 1039^2 .

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

It is not a de Polignac number, because 1080005 - 2¹⁰ = 1078981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (164703).

2^1080005 is an apocalyptic number.

It is an amenable number.

1080005 is a deficient number, since it is larger than the sum of its proper divisors (237619).

1080005 is an equidigital number, since it uses as much as digits as its factorization.

1080005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1080005 is about 1039.2328901647. The cubic root of 1080005 is about 102.5987151315.

Adding to 1080005 its reverse (5000801), we get a palindrome (6080806).

The spelling of 1080005 in words is "one million, eighty thousand, five".