1133345 has 4 divisors (see below), whose sum is σ = 1360020. Its totient is φ = 906672.

The previous prime is 1133333. The next prime is 1133357. The reversal of 1133345 is 5433311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5433311 = 13 ⋅417947.

It is an interprime number because it is at equal distance from previous prime (1133333) and next prime (1133357).

It can be written as a sum of positive squares in 2 ways, for example, as 654481 + 478864 = 809^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133345 - 2¹⁰ = 1132321 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113330 + ... + 113339.

It is an arithmetic number, because the mean of its divisors is an integer number (340005).

2^1133345 is an apocalyptic number.

It is an amenable number.

1133345 is a deficient number, since it is larger than the sum of its proper divisors (226675).

1133345 is an equidigital number, since it uses as much as digits as its factorization.

1133345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226674.

The product of its digits is 540, while the sum is 20.

The square root of 1133345 is about 1064.5867742932. The cubic root of 1133345 is about 104.2607179008.

Adding to 1133345 its reverse (5433311), we get a palindrome (6566656).

The spelling of 1133345 in words is "one million, one hundred thirty-three thousand, three hundred forty-five".