1042871443403 has 8 divisors (see below), whose sum is σ = 1053576032256. Its totient is φ = 1032208426600.

The previous prime is 1042871443399. The next prime is 1042871443423. The reversal of 1042871443403 is 3043441782401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042871443403 - 2² = 1042871443399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042871443423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10342583 + ... + 10442928.

It is an arithmetic number, because the mean of its divisors is an integer number (131697004032).

Almost surely, 2^{1042871443403} is an apocalyptic number.

1042871443403 is a deficient number, since it is larger than the sum of its proper divisors (10704588853).

1042871443403 is a wasteful number, since it uses less digits than its factorization.

1042871443403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20786025.

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 1042871443403 in words is "one trillion, forty-two billion, eight hundred seventy-one million, four hundred forty-three thousand, four hundred three".