1162985 has 4 divisors (see below), whose sum is σ = 1395588. Its totient is φ = 930384.

The previous prime is 1162981. The next prime is 1162991. The reversal of 1162985 is 5892611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5892611 = 113 ⋅52147.

It can be written as a sum of positive squares in 2 ways, for example, as 737881 + 425104 = 859^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162985 - 2² = 1162981 is a prime.

It is a super-2 number, since 2×1162985² = 2705068220450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162981) 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 3 ways as a sum of consecutive naturals, for example, 116294 + ... + 116303.

It is an arithmetic number, because the mean of its divisors is an integer number (348897).

2^1162985 is an apocalyptic number.

It is an amenable number.

1162985 is a deficient number, since it is larger than the sum of its proper divisors (232603).

1162985 is an equidigital number, since it uses as much as digits as its factorization.

1162985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232602.

The product of its digits is 4320, while the sum is 32.

The square root of 1162985 is about 1078.4178225530. The cubic root of 1162985 is about 105.1618064594.

The spelling of 1162985 in words is "one million, one hundred sixty-two thousand, nine hundred eighty-five".