1113265 has 8 divisors (see below), whose sum is σ = 1361448. Its totient is φ = 873600.

The previous prime is 1113257. The next prime is 1113317. The reversal of 1113265 is 5623111.

It can be written as a sum of positive squares in 4 ways, for example, as 29584 + 1083681 = 172^2 + 1041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1113265 - 2³ = 1113257 is a prime.

It is a Duffinian number.

1113265 is a lucky number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1836 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (170181).

2^1113265 is an apocalyptic number.

It is an amenable number.

1113265 is a deficient number, since it is larger than the sum of its proper divisors (248183).

1113265 is an equidigital number, since it uses as much as digits as its factorization.

1113265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259.

The product of its digits is 180, while the sum is 19.

The square root of 1113265 is about 1055.1137379449. The cubic root of 1113265 is about 103.6413000018.

Adding to 1113265 its reverse (5623111), we get a palindrome (6736376).

It can be divided in two parts, 1113 and 265, that added together give a triangular number (1378 = T₅₂).

The spelling of 1113265 in words is "one million, one hundred thirteen thousand, two hundred sixty-five".