1134243330421 has 2 divisors, whose sum is σ = 1134243330422. Its totient is φ = 1134243330420.

The previous prime is 1134243330383. The next prime is 1134243330427. The reversal of 1134243330421 is 1240333424311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 877427497521 + 256815832900 = 936711^2 + 506770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1134243330421 - 2¹¹ = 1134243328373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1134243330427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567121665210 + 567121665211.

It is an arithmetic number, because the mean of its divisors is an integer number (567121665211).

Almost surely, 2^{1134243330421} is an apocalyptic number.

It is an amenable number.

1134243330421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134243330421 is an equidigital number, since it uses as much as digits as its factorization.

1134243330421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1134243330421 its reverse (1240333424311), we get a palindrome (2374576754732).

The spelling of 1134243330421 in words is "one trillion, one hundred thirty-four billion, two hundred forty-three million, three hundred thirty thousand, four hundred twenty-one".