1040542159 has 2 divisors, whose sum is σ = 1040542160. Its totient is φ = 1040542158.

The previous prime is 1040542147. The next prime is 1040542193. The reversal of 1040542159 is 9512450401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040542159 - 2¹⁹ = 1040017871 is a prime.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 1040542159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040543159) 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, 520271079 + 520271080.

It is an arithmetic number, because the mean of its divisors is an integer number (520271080).

Almost surely, 2^1040542159 is an apocalyptic number.

1040542159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040542159 is an equidigital number, since it uses as much as digits as its factorization.

1040542159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1040542159 is about 32257.4357164360. The cubic root of 1040542159 is about 1013.3354288416.

The spelling of 1040542159 in words is "one billion, forty million, five hundred forty-two thousand, one hundred fifty-nine".