1085229 has 24 divisors (see below), whose sum is σ = 1710072. Its totient is φ = 660480.

The previous prime is 1085221. The next prime is 1085269. The reversal of 1085229 is 9225801.

It can be written as a sum of positive squares in 4 ways, for example, as 248004 + 837225 = 498^2 + 915^2 .

It is not a de Polignac number, because 1085229 - 2³ = 1085221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6187 + ... + 6359.

It is an arithmetic number, because the mean of its divisors is an integer number (71253).

2^1085229 is an apocalyptic number.

It is an amenable number.

1085229 is a deficient number, since it is larger than the sum of its proper divisors (624843).

1085229 is a wasteful number, since it uses less digits than its factorization.

1085229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1085229 is about 1041.7432505181. The cubic root of 1085229 is about 102.7638729559.

The spelling of 1085229 in words is "one million, eighty-five thousand, two hundred twenty-nine".