2871128452 has 24 divisors (see below), whose sum is σ = 5079471320. Its totient is φ = 1419897600.

The previous prime is 2871128431. The next prime is 2871128473. The reversal of 2871128452 is 2548211782.

It is an interprime number because it is at equal distance from previous prime (2871128431) and next prime (2871128473).

It can be written as a sum of positive squares in 4 ways, for example, as 1314352516 + 1556775936 = 36254^2 + 39456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256558 + ... + 267514.

Almost surely, 2^2871128452 is an apocalyptic number.

It is an amenable number.

2871128452 is a deficient number, since it is larger than the sum of its proper divisors (2208342868).

2871128452 is a wasteful number, since it uses less digits than its factorization.

2871128452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11671 (or 11669 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 2871128452 is about 53582.9119402819. The cubic root of 2871128452 is about 1421.2949326267.

The spelling of 2871128452 in words is "two billion, eight hundred seventy-one million, one hundred twenty-eight thousand, four hundred fifty-two".