1042242193 has 2 divisors, whose sum is σ = 1042242194. Its totient is φ = 1042242192.

The previous prime is 1042242163. The next prime is 1042242203. The reversal of 1042242193 is 3912422401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 758892304 + 283349889 = 27548^2 + 16833^2 .

It is an emirp because it is prime and its reverse (3912422401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042242193 - 2⁵ = 1042242161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042242163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521121096 + 521121097.

It is an arithmetic number, because the mean of its divisors is an integer number (521121097).

Almost surely, 2^1042242193 is an apocalyptic number.

It is an amenable number.

1042242193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042242193 is an equidigital number, since it uses as much as digits as its factorization.

1042242193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1042242193 is about 32283.7760028160. The cubic root of 1042242193 is about 1013.8869898188.

Adding to 1042242193 its reverse (3912422401), we get a palindrome (4954664594).

The spelling of 1042242193 in words is "one billion, forty-two million, two hundred forty-two thousand, one hundred ninety-three".