1081185 has 24 divisors (see below), whose sum is σ = 2013696. Its totient is φ = 493920.

The previous prime is 1081163. The next prime is 1081219. The reversal of 1081185 is 5811801.

1081185 is a nontrivial binomial coefficient, being equal to C(1471, 2).

It is not a de Polignac number, because 1081185 - 2⁵ = 1081153 is a prime.

It is a super-2 number, since 2×1081185² = 2337922008450, which contains 22 as substring.

1081185 is a lucky number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 1 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (83904).

2^1081185 is an apocalyptic number.

1081185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1081185 is the 1470-th triangular number.

It is an amenable number.

1081185 is a deficient number, since it is larger than the sum of its proper divisors (932511).

1081185 is a wasteful number, since it uses less digits than its factorization.

1081185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 1081185 is about 1039.8004616271. The cubic root of 1081185 is about 102.6360675569.

Adding to 1081185 its reverse (5811801), we get a palindrome (6892986).

The spelling of 1081185 in words is "one million, eighty-one thousand, one hundred eighty-five".