1113873 has 4 divisors (see below), whose sum is σ = 1485168. Its totient is φ = 742580.

The previous prime is 1113863. The next prime is 1113877. The reversal of 1113873 is 3783111.

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 a cyclic number.

It is not a de Polignac number, because 1113873 - 2⁶ = 1113809 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1113877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185643 + ... + 185648.

It is an arithmetic number, because the mean of its divisors is an integer number (371292).

2^1113873 is an apocalyptic number.

It is an amenable number.

1113873 is a deficient number, since it is larger than the sum of its proper divisors (371295).

1113873 is an equidigital number, since it uses as much as digits as its factorization.

1113873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371294.

The product of its digits is 504, while the sum is 24.

The square root of 1113873 is about 1055.4018192139. The cubic root of 1113873 is about 103.6601641663.

Adding to 1113873 its reverse (3783111), we get a palindrome (4896984).

It can be divided in two parts, 11138 and 73, that added together give a palindrome (11211).

The spelling of 1113873 in words is "one million, one hundred thirteen thousand, eight hundred seventy-three".