1112865 has 24 divisors (see below), whose sum is σ = 1932480. Its totient is φ = 546624.

The previous prime is 1112857. The next prime is 1112897. The reversal of 1112865 is 5682111.

It is not a de Polignac number, because 1112865 - 2³ = 1112857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2316 + ... + 2754.

It is an arithmetic number, because the mean of its divisors is an integer number (80520).

2^1112865 is an apocalyptic number.

1112865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1112865 is a deficient number, since it is larger than the sum of its proper divisors (819615).

1112865 is a wasteful number, since it uses less digits than its factorization.

1112865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 460 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 1112865 is about 1054.9241678908. The cubic root of 1112865 is about 103.6288856212.

Adding to 1112865 its reverse (5682111), we get a palindrome (6794976).

The spelling of 1112865 in words is "one million, one hundred twelve thousand, eight hundred sixty-five".