1085111 has 2 divisors, whose sum is σ = 1085112. Its totient is φ = 1085110.

The previous prime is 1085101. The next prime is 1085113. The reversal of 1085111 is 1115801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1085111 - 2⁶ = 1085047 is a prime.

Together with 1085113, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1085111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085113) 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 as a sum of consecutive naturals, namely, 542555 + 542556.

It is an arithmetic number, because the mean of its divisors is an integer number (542556).

2^1085111 is an apocalyptic number.

1085111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085111 is an equidigital number, since it uses as much as digits as its factorization.

1085111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 1085111 is about 1041.6866131424. The cubic root of 1085111 is about 102.7601482193.

The spelling of 1085111 in words is "one million, eighty-five thousand, one hundred eleven".