1017042439 has 16 divisors (see below), whose sum is σ = 1171550016. Its totient is φ = 864864000.

The previous prime is 1017042371. The next prime is 1017042443. The reversal of 1017042439 is 9342407101.

It is not a de Polignac number, because 1017042439 - 2¹³ = 1017034247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1017042439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017042449) 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 in 15 ways as a sum of consecutive naturals, for example, 781089 + ... + 782389.

It is an arithmetic number, because the mean of its divisors is an integer number (73221876).

Almost surely, 2^1017042439 is an apocalyptic number.

1017042439 is a deficient number, since it is larger than the sum of its proper divisors (154507577).

1017042439 is a wasteful number, since it uses less digits than its factorization.

1017042439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1017042439 is about 31891.1028188114. The cubic root of 1017042439 is about 1005.6488434835.

The spelling of 1017042439 in words is "one billion, seventeen million, forty-two thousand, four hundred thirty-nine".