1085867 has 2 divisors, whose sum is σ = 1085868. Its totient is φ = 1085866.

The previous prime is 1085863. The next prime is 1085873. The reversal of 1085867 is 7685801.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7685801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1085867 - 2² = 1085863 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (1085863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542933 + 542934.

It is an arithmetic number, because the mean of its divisors is an integer number (542934).

2^1085867 is an apocalyptic number.

1085867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085867 is an equidigital number, since it uses as much as digits as its factorization.

1085867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1085867 is about 1042.0494230122. The cubic root of 1085867 is about 102.7840071110.

The spelling of 1085867 in words is "one million, eighty-five thousand, eight hundred sixty-seven".