1112785 has 4 divisors (see below), whose sum is σ = 1335348. Its totient is φ = 890224.

The previous prime is 1112779. The next prime is 1112789. The reversal of 1112785 is 5872111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126736 + 986049 = 356^2 + 993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112785 - 2³ = 1112777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112789) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 111274 + ... + 111283.

It is an arithmetic number, because the mean of its divisors is an integer number (333837).

2^1112785 is an apocalyptic number.

It is an amenable number.

1112785 is a deficient number, since it is larger than the sum of its proper divisors (222563).

1112785 is an equidigital number, since it uses as much as digits as its factorization.

1112785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222562.

The product of its digits is 560, while the sum is 25.

The square root of 1112785 is about 1054.8862497919. The cubic root of 1112785 is about 103.6264023881.

Adding to 1112785 its reverse (5872111), we get a palindrome (6984896).

The spelling of 1112785 in words is "one million, one hundred twelve thousand, seven hundred eighty-five".