1111085 has 8 divisors (see below), whose sum is σ = 1339416. Its totient is φ = 884800.

The previous prime is 1111081. The next prime is 1111087. The reversal of 1111085 is 5801111.

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 1042441 = 262^2 + 1021^2 .

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

It is not a de Polignac number, because 1111085 - 2² = 1111081 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 (1111081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235 + ... + 1935.

It is an arithmetic number, because the mean of its divisors is an integer number (167427).

2^1111085 is an apocalyptic number.

It is an amenable number.

1111085 is a deficient number, since it is larger than the sum of its proper divisors (228331).

1111085 is an equidigital number, since it uses as much as digits as its factorization.

1111085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

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

The square root of 1111085 is about 1054.0801677292. The cubic root of 1111085 is about 103.5736055258.

Adding to 1111085 its reverse (5801111), we get a palindrome (6912196).

The spelling of 1111085 in words is "one million, one hundred eleven thousand, eighty-five".