1085911 has 2 divisors, whose sum is σ = 1085912. Its totient is φ = 1085910.

The previous prime is 1085891. The next prime is 1085933. The reversal of 1085911 is 1195801.

It is a weak prime.

It is an emirp because it is prime and its reverse (1195801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1085911 - 2¹³ = 1077719 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542955 + 542956.

It is an arithmetic number, because the mean of its divisors is an integer number (542956).

2^1085911 is an apocalyptic number.

1085911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085911 is an equidigital number, since it uses as much as digits as its factorization.

1085911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 1085911 is about 1042.0705350407. The cubic root of 1085911 is about 102.7853953827.

The spelling of 1085911 in words is "one million, eighty-five thousand, nine hundred eleven".