1133455 has 4 divisors (see below), whose sum is σ = 1360152. Its totient is φ = 906760.

The previous prime is 1133387. The next prime is 1133459. The reversal of 1133455 is 5543311.

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: 5543311 = 397 ⋅13963.

It is a de Polignac number, because none of the positive numbers 2^k-1133455 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113341 + ... + 113350.

It is an arithmetic number, because the mean of its divisors is an integer number (340038).

2^1133455 is an apocalyptic number.

1133455 is a deficient number, since it is larger than the sum of its proper divisors (226697).

1133455 is an equidigital number, since it uses as much as digits as its factorization.

1133455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226696.

The product of its digits is 900, while the sum is 22.

The square root of 1133455 is about 1064.6384362778. The cubic root of 1133455 is about 104.2640908978.

Adding to 1133455 its reverse (5543311), we get a palindrome (6676766).

It can be divided in two parts, 1133 and 455, that multiplied together give a palindrome (515515).

The spelling of 1133455 in words is "one million, one hundred thirty-three thousand, four hundred fifty-five".