1113113 has 4 divisors (see below), whose sum is σ = 1126608.
Its totient is φ = 1099620.
The previous prime is 1113103. The next prime is 1113137. The reversal of 1113113 is 3113111.
It is a happy number.
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 1113113 - 28 = 1112857 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1113094 and 1113103.
It is not an unprimeable number, because it can be changed into a prime (1113103) 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, 6623 + ... + 6788.
It is an arithmetic number, because the mean of its divisors is an integer number (281652).
21113113 is an apocalyptic number.
It is an amenable number.
1113113 is a deficient number, since it is larger than the sum of its proper divisors (13495).
1113113 is an equidigital number, since it uses as much as digits as its factorization.
1113113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13494.
The product of its digits is 9, while the sum is 11.
The square root of 1113113 is about 1055.0417053368.
The cubic root of 1113113 is about 103.6365828875.
Adding to 1113113 its reverse (3113111), we get a palindrome (4226224).
It can be divided in two parts, 111 and 3113, that multiplied together give a palindrome (345543).
The spelling of 1113113 in words is "one million, one hundred thirteen thousand, one hundred thirteen".