1085215 has 8 divisors (see below), whose sum is σ = 1313280. Its totient is φ = 860832.

The previous prime is 1085197. The next prime is 1085221. The reversal of 1085215 is 5125801.

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

It is a cyclic number.

It is not a de Polignac number, because 1085215 - 2¹¹ = 1083167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

2^1085215 is an apocalyptic number.

1085215 is a deficient number, since it is larger than the sum of its proper divisors (228065).

1085215 is a wasteful number, since it uses less digits than its factorization.

1085215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1085215 is about 1041.7365309904. The cubic root of 1085215 is about 102.7634310521.

The spelling of 1085215 in words is "one million, eighty-five thousand, two hundred fifteen".