1032871855 has 4 divisors (see below), whose sum is σ = 1239446232. Its totient is φ = 826297480.

The previous prime is 1032871849. The next prime is 1032871891. The reversal of 1032871855 is 5581782301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1032871855 - 2¹¹ = 1032869807 is a prime.

It is a super-2 number, since 2×1032871855² = 2133648537702282050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 103287181 + ... + 103287190.

It is an arithmetic number, because the mean of its divisors is an integer number (309861558).

Almost surely, 2^1032871855 is an apocalyptic number.

1032871855 is a deficient number, since it is larger than the sum of its proper divisors (206574377).

1032871855 is an equidigital number, since it uses as much as digits as its factorization.

1032871855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206574376.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 1032871855 is about 32138.3237739618. The cubic root of 1032871855 is about 1010.8393685762.

The spelling of 1032871855 in words is "one billion, thirty-two million, eight hundred seventy-one thousand, eight hundred fifty-five".