1133453 has 4 divisors (see below), whose sum is σ = 1170048. Its totient is φ = 1096860.

The previous prime is 1133387. The next prime is 1133459. The reversal of 1133453 is 3543311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3543311 = 23 ⋅154057.

It is a cyclic number.

It is not a de Polignac number, because 1133453 - 2¹⁰ = 1132429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133459) 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, 18251 + ... + 18312.

It is an arithmetic number, because the mean of its divisors is an integer number (292512).

2^1133453 is an apocalyptic number.

It is an amenable number.

1133453 is a deficient number, since it is larger than the sum of its proper divisors (36595).

1133453 is an equidigital number, since it uses as much as digits as its factorization.

1133453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36594.

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

The square root of 1133453 is about 1064.6374969913. The cubic root of 1133453 is about 104.2640295726.

Adding to 1133453 its reverse (3543311), we get a palindrome (4676764).

The spelling of 1133453 in words is "one million, one hundred thirty-three thousand, four hundred fifty-three".