1085311 has 8 divisors (see below), whose sum is σ = 1126944. Its totient is φ = 1044480.

The previous prime is 1085309. The next prime is 1085317. The reversal of 1085311 is 1135801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1085311 - 2¹ = 1085309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4095 + ... + 4351.

It is an arithmetic number, because the mean of its divisors is an integer number (140868).

2^1085311 is an apocalyptic number.

1085311 is a deficient number, since it is larger than the sum of its proper divisors (41633).

1085311 is a wasteful number, since it uses less digits than its factorization.

1085311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1085311 is about 1041.7826068811. The cubic root of 1085311 is about 102.7664611732.

The spelling of 1085311 in words is "one million, eighty-five thousand, three hundred eleven".