1116779 has 4 divisors (see below), whose sum is σ = 1126776. Its totient is φ = 1106784.

The previous prime is 1116751. The next prime is 1116809. The reversal of 1116779 is 9776111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9776111 = 577 ⋅16943.

It is a cyclic number.

It is not a de Polignac number, because 1116779 - 2⁸ = 1116523 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1116749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4829 + ... + 5054.

It is an arithmetic number, because the mean of its divisors is an integer number (281694).

2^1116779 is an apocalyptic number.

1116779 is a deficient number, since it is larger than the sum of its proper divisors (9997).

1116779 is an equidigital number, since it uses as much as digits as its factorization.

1116779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996.

The product of its digits is 2646, while the sum is 32.

The square root of 1116779 is about 1056.7776492716. Note that the first 3 decimals coincide. The cubic root of 1116779 is about 103.7502327377.

The spelling of 1116779 in words is "one million, one hundred sixteen thousand, seven hundred seventy-nine".