1133051321 has 4 divisors (see below), whose sum is σ = 1134261492. Its totient is φ = 1131841152.

The previous prime is 1133051303. The next prime is 1133051327. The reversal of 1133051321 is 1231503311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18826921 + 1114224400 = 4339^2 + 33380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133051321 - 2¹⁴ = 1133034937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133051293 and 1133051302.

It is not an unprimeable number, because it can be changed into a prime (1133051327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603680 + ... + 605553.

It is an arithmetic number, because the mean of its divisors is an integer number (283565373).

Almost surely, 2^1133051321 is an apocalyptic number.

It is an amenable number.

1133051321 is a deficient number, since it is larger than the sum of its proper divisors (1210171).

1133051321 is an equidigital number, since it uses as much as digits as its factorization.

1133051321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210170.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1133051321 is about 33660.8276933292. The cubic root of 1133051321 is about 1042.5171157336.

Adding to 1133051321 its reverse (1231503311), we get a palindrome (2364554632).

The spelling of 1133051321 in words is "one billion, one hundred thirty-three million, fifty-one thousand, three hundred twenty-one".