1085505 has 8 divisors (see below), whose sum is σ = 1736832. Its totient is φ = 578928.

The previous prime is 1085473. The next prime is 1085509. The reversal of 1085505 is 5055801.

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

It is not a de Polignac number, because 1085505 - 2⁵ = 1085473 is a prime.

It is a super-3 number, since 3×1085505³ = 3837220353330487875, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1085509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36169 + ... + 36198.

It is an arithmetic number, because the mean of its divisors is an integer number (217104).

2^1085505 is an apocalyptic number.

1085505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1085505 is a deficient number, since it is larger than the sum of its proper divisors (651327).

1085505 is an equidigital number, since it uses as much as digits as its factorization.

1085505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72375.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1085505 is about 1041.8757123573. The cubic root of 1085505 is about 102.7725839975.

The spelling of 1085505 in words is "one million, eighty-five thousand, five hundred five".