1086505 has 16 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 724032.

The previous prime is 1086493. The next prime is 1086509. The reversal of 1086505 is 5056801.

It is a cyclic number.

It is not a de Polignac number, because 1086505 - 2¹⁵ = 1053737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1086505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876 + ... + 1714.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2^1086505 is an apocalyptic number.

It is an amenable number.

1086505 is a deficient number, since it is larger than the sum of its proper divisors (445655).

1086505 is an equidigital number, since it uses as much as digits as its factorization.

1086505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1086505 is about 1042.3555055738. The cubic root of 1086505 is about 102.8041333811.

The spelling of 1086505 in words is "one million, eighty-six thousand, five hundred five".