1086005 has 4 divisors (see below), whose sum is σ = 1303212. Its totient is φ = 868800.

The previous prime is 1085989. The next prime is 1086031. The reversal of 1086005 is 5006801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5006801 = 23 ⋅217687.

It can be written as a sum of positive squares in 2 ways, for example, as 119716 + 966289 = 346^2 + 983^2 .

It is not a de Polignac number, because 1086005 - 2⁴ = 1085989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108596 + ... + 108605.

It is an arithmetic number, because the mean of its divisors is an integer number (325803).

2^1086005 is an apocalyptic number.

It is an amenable number.

1086005 is a deficient number, since it is larger than the sum of its proper divisors (217207).

1086005 is an equidigital number, since it uses as much as digits as its factorization.

1086005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217206.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1086005 is about 1042.1156365778. The cubic root of 1086005 is about 102.7883611102.

The spelling of 1086005 in words is "one million, eighty-six thousand, five".