1112765 has 4 divisors (see below), whose sum is σ = 1335324. Its totient is φ = 890208.

The previous prime is 1112747. The next prime is 1112777. The reversal of 1112765 is 5672111.

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 357604 + 755161 = 598^2 + 869^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112765 - 2⁸ = 1112509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112765.

It is a congruent number.

It is an unprimeable number.

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, 111272 + ... + 111281.

It is an arithmetic number, because the mean of its divisors is an integer number (333831).

2^1112765 is an apocalyptic number.

It is an amenable number.

1112765 is a deficient number, since it is larger than the sum of its proper divisors (222559).

1112765 is an equidigital number, since it uses as much as digits as its factorization.

1112765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222558.

The product of its digits is 420, while the sum is 23.

The square root of 1112765 is about 1054.8767700542. The cubic root of 1112765 is about 103.6257815613.

Adding to 1112765 its reverse (5672111), we get a palindrome (6784876).

The spelling of 1112765 in words is "one million, one hundred twelve thousand, seven hundred sixty-five".