1116765 has 48 divisors (see below), whose sum is σ = 2201472. Its totient is φ = 519552.

The previous prime is 1116751. The next prime is 1116809. The reversal of 1116765 is 5676111.

1116765 = T₂₈₀ + T₂₈₁ + ... + T₃₀₅.

1116765 is a nontrivial binomial coefficient, being equal to C(1495, 2).

It is not a de Polignac number, because 1116765 - 2⁴ = 1116749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13414 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (45864).

2^1116765 is an apocalyptic number.

1116765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1116765 is the 1494-th triangular number.

It is an amenable number.

1116765 is a deficient number, since it is larger than the sum of its proper divisors (1084707).

1116765 is a wasteful number, since it uses less digits than its factorization.

1116765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 127 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1116765 is about 1056.7710253409. The cubic root of 1116765 is about 103.7497991964.

It can be divided in two parts, 1116 and 765, that added together give a palindrome (1881).

The spelling of 1116765 in words is "one million, one hundred sixteen thousand, seven hundred sixty-five".