1085299 has 6 divisors (see below), whose sum is σ = 1147220. Its totient is φ = 1023876.

The previous prime is 1085269. The next prime is 1085309. The reversal of 1085299 is 9925801.

It is not a de Polignac number, because 1085299 - 2¹⁵ = 1052531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085269) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4422 + ... + 4660.

2^1085299 is an apocalyptic number.

1085299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1085299 is a deficient number, since it is larger than the sum of its proper divisors (61921).

1085299 is an frugal number, since it uses more digits than its factorization.

1085299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1085299 is about 1041.7768475062. The cubic root of 1085299 is about 102.7660824178.

It can be divided in two parts, 1085 and 299, that multiplied together give a triangular number (324415 = T₈₀₅).

The spelling of 1085299 in words is "one million, eighty-five thousand, two hundred ninety-nine".