1085539 has 16 divisors (see below), whose sum is σ = 1361920. Its totient is φ = 842400.

The previous prime is 1085521. The next prime is 1085551. The reversal of 1085539 is 9355801.

It is not a de Polignac number, because 1085539 - 2¹³ = 1077347 is a prime.

1085539 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085539.

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 (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7114 + ... + 7264.

It is an arithmetic number, because the mean of its divisors is an integer number (85120).

2^1085539 is an apocalyptic number.

1085539 is a deficient number, since it is larger than the sum of its proper divisors (276381).

1085539 is a wasteful number, since it uses less digits than its factorization.

1085539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1085539 is about 1041.8920289550. The cubic root of 1085539 is about 102.7736569946.

The spelling of 1085539 in words is "one million, eighty-five thousand, five hundred thirty-nine".