1028118571 has 8 divisors (see below), whose sum is σ = 1091568960. Its totient is φ = 964998528.

The previous prime is 1028118569. The next prime is 1028118577. The reversal of 1028118571 is 1758118201.

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 1028118571 - 2¹ = 1028118569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028118577) 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 7 ways as a sum of consecutive naturals, for example, 76156 + ... + 88633.

It is an arithmetic number, because the mean of its divisors is an integer number (136446120).

Almost surely, 2^1028118571 is an apocalyptic number.

1028118571 is a deficient number, since it is larger than the sum of its proper divisors (63450389).

1028118571 is a wasteful number, since it uses less digits than its factorization.

1028118571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165173.

The product of its (nonzero) digits is 4480, while the sum is 34.

The square root of 1028118571 is about 32064.2880943894. The cubic root of 1028118571 is about 1009.2863536946.

The spelling of 1028118571 in words is "one billion, twenty-eight million, one hundred eighteen thousand, five hundred seventy-one".