1085387 has 4 divisors (see below), whose sum is σ = 1105920. Its totient is φ = 1064856.

The previous prime is 1085369. The next prime is 1085389. The reversal of 1085387 is 7835801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7835801 = 23 ⋅340687.

It is a cyclic number.

It is not a de Polignac number, because 1085387 - 2⁸ = 1085131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085389) 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 3 ways as a sum of consecutive naturals, for example, 10187 + ... + 10292.

It is an arithmetic number, because the mean of its divisors is an integer number (276480).

2^1085387 is an apocalyptic number.

1085387 is a deficient number, since it is larger than the sum of its proper divisors (20533).

1085387 is an equidigital number, since it uses as much as digits as its factorization.

1085387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20532.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1085387 is about 1041.8190821827. The cubic root of 1085387 is about 102.7688598923.

The spelling of 1085387 in words is "one million, eighty-five thousand, three hundred eighty-seven".