1113779 has 4 divisors (see below), whose sum is σ = 1120776. Its totient is φ = 1106784.

The previous prime is 1113773. The next prime is 1113781. The reversal of 1113779 is 9773111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9773111 = 1999 ⋅4889.

It is a cyclic number.

It is not a de Polignac number, because 1113779 - 2²⁰ = 65203 is a prime.

It is a pancake number, because a pancake can be divided into 1113779 parts by 1492 straight cuts.

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 (1113773) 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 3 ways as a sum of consecutive naturals, for example, 3254 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (280194).

2^1113779 is an apocalyptic number.

1113779 is a deficient number, since it is larger than the sum of its proper divisors (6997).

1113779 is an equidigital number, since it uses as much as digits as its factorization.

1113779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996.

The product of its digits is 1323, while the sum is 29.

The square root of 1113779 is about 1055.3572854726. The cubic root of 1113779 is about 103.6572481159.

The spelling of 1113779 in words is "one million, one hundred thirteen thousand, seven hundred seventy-nine".