1162085 has 4 divisors (see below), whose sum is σ = 1394508. Its totient is φ = 929664.

The previous prime is 1162081. The next prime is 1162093. The reversal of 1162085 is 5802611.

It is a Cunningham number, because it is equal to 1078²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5802611 = 31 ⋅187181.

It can be written as a sum of positive squares in 2 ways, for example, as 417316 + 744769 = 646^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162085 - 2² = 1162081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1162085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116204 + ... + 116213.

It is an arithmetic number, because the mean of its divisors is an integer number (348627).

2^1162085 is an apocalyptic number.

It is an amenable number.

1162085 is a deficient number, since it is larger than the sum of its proper divisors (232423).

1162085 is an equidigital number, since it uses as much as digits as its factorization.

1162085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232422.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1162085 is about 1078.0004638218. Note that the first 3 decimals coincide. The cubic root of 1162085 is about 105.1346722456.

Adding to 1162085 its reverse (5802611), we get a palindrome (6964696).

It can be divided in two parts, 116 and 2085, that multiplied together give a triangular number (241860 = T₆₉₅).

The spelling of 1162085 in words is "one million, one hundred sixty-two thousand, eighty-five".