1118873 has 4 divisors (see below), whose sum is σ = 1278720. Its totient is φ = 959028.

The previous prime is 1118869. The next prime is 1118893. The reversal of 1118873 is 3788111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1118873 - 2² = 1118869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1118863) 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, 79913 + ... + 79926.

It is an arithmetic number, because the mean of its divisors is an integer number (319680).

2^1118873 is an apocalyptic number.

It is an amenable number.

1118873 is a deficient number, since it is larger than the sum of its proper divisors (159847).

1118873 is an equidigital number, since it uses as much as digits as its factorization.

1118873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159846.

The product of its digits is 1344, while the sum is 29.

The square root of 1118873 is about 1057.7679329607. The cubic root of 1118873 is about 103.8150373657.

It can be divided in two parts, 1118 and 873, that added together give a palindrome (1991).

The spelling of 1118873 in words is "one million, one hundred eighteen thousand, eight hundred seventy-three".