1141322321 has 8 divisors (see below), whose sum is σ = 1153327464. Its totient is φ = 1129331200.

The previous prime is 1141322233. The next prime is 1141322327. The reversal of 1141322321 is 1232231411.

It can be written as a sum of positive squares in 4 ways, for example, as 295152400 + 846169921 = 17180^2 + 29089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141322321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141322293 and 1141322302.

It is not an unprimeable number, because it can be changed into a prime (1141322327) 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 7 ways as a sum of consecutive naturals, for example, 266231 + ... + 270483.

It is an arithmetic number, because the mean of its divisors is an integer number (144165933).

Almost surely, 2^1141322321 is an apocalyptic number.

It is an amenable number.

1141322321 is a deficient number, since it is larger than the sum of its proper divisors (12005143).

1141322321 is a wasteful number, since it uses less digits than its factorization.

1141322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011.

The product of its digits is 288, while the sum is 20.

The square root of 1141322321 is about 33783.4622411617. The cubic root of 1141322321 is about 1045.0476756100.

Adding to 1141322321 its reverse (1232231411), we get a palindrome (2373553732).

The spelling of 1141322321 in words is "one billion, one hundred forty-one million, three hundred twenty-two thousand, three hundred twenty-one".