1142242030289 has 2 divisors, whose sum is σ = 1142242030290. Its totient is φ = 1142242030288.

The previous prime is 1142242030213. The next prime is 1142242030327. The reversal of 1142242030289 is 9820302422411.

It is an a-pointer prime, because the next prime (1142242030327) can be obtained adding 1142242030289 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 928557722689 + 213684307600 = 963617^2 + 462260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142242030289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142242030789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571121015144 + 571121015145.

It is an arithmetic number, because the mean of its divisors is an integer number (571121015145).

Almost surely, 2^{1142242030289} is an apocalyptic number.

It is an amenable number.

1142242030289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142242030289 is an equidigital number, since it uses as much as digits as its factorization.

1142242030289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 1142242030289 in words is "one trillion, one hundred forty-two billion, two hundred forty-two million, thirty thousand, two hundred eighty-nine".