1321133 has 4 divisors (see below), whose sum is σ = 1441248. Its totient is φ = 1201020.

The previous prime is 1321109. The next prime is 1321139. The reversal of 1321133 is 3311231.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1321133 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 (1321139) 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, 60041 + ... + 60062.

It is an arithmetic number, because the mean of its divisors is an integer number (360312).

2^1321133 is an apocalyptic number.

It is an amenable number.

1321133 is a deficient number, since it is larger than the sum of its proper divisors (120115).

1321133 is a wasteful number, since it uses less digits than its factorization.

1321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120114.

The product of its digits is 54, while the sum is 14.

The square root of 1321133 is about 1149.4054985078. The cubic root of 1321133 is about 109.7275073552.

Adding to 1321133 its reverse (3311231), we get a palindrome (4632364).

The spelling of 1321133 in words is "one million, three hundred twenty-one thousand, one hundred thirty-three".