1112565 has 16 divisors (see below), whose sum is σ = 1885248. Its totient is φ = 558336.

The previous prime is 1112561. The next prime is 1112567. The reversal of 1112565 is 5652111.

It is not a de Polignac number, because 1112565 - 2² = 1112561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112561) 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 15 ways as a sum of consecutive naturals, for example, 1927 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (117828).

2^1112565 is an apocalyptic number.

1112565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1112565 is a deficient number, since it is larger than the sum of its proper divisors (772683).

1112565 is a wasteful number, since it uses less digits than its factorization.

1112565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388.

The product of its digits is 300, while the sum is 21.

The square root of 1112565 is about 1054.7819679915. The cubic root of 1112565 is about 103.6195728835.

Adding to 1112565 its reverse (5652111), we get a palindrome (6764676).

The spelling of 1112565 in words is "one million, one hundred twelve thousand, five hundred sixty-five".