1113271 has 4 divisors (see below), whose sum is σ = 1132200. Its totient is φ = 1094344.

The previous prime is 1113257. The next prime is 1113317. The reversal of 1113271 is 1723111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1723111 = 13 ⋅132547.

It is a cyclic number.

It is not a de Polignac number, because 1113271 - 2⁵ = 1113239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113221) 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, 9376 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (283050).

2^1113271 is an apocalyptic number.

1113271 is a deficient number, since it is larger than the sum of its proper divisors (18929).

1113271 is an equidigital number, since it uses as much as digits as its factorization.

1113271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18928.

The product of its digits is 42, while the sum is 16.

The square root of 1113271 is about 1055.1165812364. The cubic root of 1113271 is about 103.6414861948.

Adding to 1113271 its reverse (1723111), we get a palindrome (2836382).

The spelling of 1113271 in words is "one million, one hundred thirteen thousand, two hundred seventy-one".