1042240159 has 2 divisors, whose sum is σ = 1042240160. Its totient is φ = 1042240158.

The previous prime is 1042240139. The next prime is 1042240183. The reversal of 1042240159 is 9510422401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042240159 - 2¹¹ = 1042238111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042240139) 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, 521120079 + 521120080.

It is an arithmetic number, because the mean of its divisors is an integer number (521120080).

Almost surely, 2^1042240159 is an apocalyptic number.

1042240159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042240159 is an equidigital number, since it uses as much as digits as its factorization.

1042240159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1042240159 is about 32283.7445009094. The cubic root of 1042240159 is about 1013.8863302640.

The spelling of 1042240159 in words is "one billion, forty-two million, two hundred forty thousand, one hundred fifty-nine".