1134331021 has 2 divisors, whose sum is σ = 1134331022. Its totient is φ = 1134331020.

The previous prime is 1134331007. The next prime is 1134331061. The reversal of 1134331021 is 1201334311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016716996 + 117614025 = 31886^2 + 10845^2 .

It is an emirp because it is prime and its reverse (1201334311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1134331021 - 2¹⁹ = 1133806733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1134331021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1134331061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567165510 + 567165511.

It is an arithmetic number, because the mean of its divisors is an integer number (567165511).

Almost surely, 2^1134331021 is an apocalyptic number.

It is an amenable number.

1134331021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134331021 is an equidigital number, since it uses as much as digits as its factorization.

1134331021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1134331021 is about 33679.8310714291. The cubic root of 1134331021 is about 1042.9094507741.

Adding to 1134331021 its reverse (1201334311), we get a palindrome (2335665332).

The spelling of 1134331021 in words is "one billion, one hundred thirty-four million, three hundred thirty-one thousand, twenty-one".