1142321240267 has 2 divisors, whose sum is σ = 1142321240268. Its totient is φ = 1142321240266.

The previous prime is 1142321240243. The next prime is 1142321240273. The reversal of 1142321240267 is 7620421232411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142321240267 - 2¹⁰ = 1142321239243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142321242267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571160620133 + 571160620134.

It is an arithmetic number, because the mean of its divisors is an integer number (571160620134).

Almost surely, 2^{1142321240267} is an apocalyptic number.

1142321240267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142321240267 is an equidigital number, since it uses as much as digits as its factorization.

1142321240267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 1142321240267 its reverse (7620421232411), we get a palindrome (8762742472678).

The spelling of 1142321240267 in words is "one trillion, one hundred forty-two billion, three hundred twenty-one million, two hundred forty thousand, two hundred sixty-seven".