1085519 has 4 divisors (see below), whose sum is σ = 1100880. Its totient is φ = 1070160.

The previous prime is 1085509. The next prime is 1085521. The reversal of 1085519 is 9155801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9155801 = 1087 ⋅8423.

It is a cyclic number.

It is not a de Polignac number, because 1085519 - 2²⁰ = 36943 is a prime.

It is a super-2 number, since 2×1085519² = 2356702998722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1085491 and 1085500.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7574 + ... + 7715.

It is an arithmetic number, because the mean of its divisors is an integer number (275220).

2^1085519 is an apocalyptic number.

1085519 is a deficient number, since it is larger than the sum of its proper divisors (15361).

1085519 is an equidigital number, since it uses as much as digits as its factorization.

1085519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15360.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 1085519 is about 1041.8824309873. The cubic root of 1085519 is about 102.7730258226.

The spelling of 1085519 in words is "one million, eighty-five thousand, five hundred nineteen".