6128871 has 24 divisors (see below), whose sum is σ = 9600624. Its totient is φ = 3467520.

The previous prime is 6128851. The next prime is 6128921. The reversal of 6128871 is 1788216.

It is a happy number.

It is not a de Polignac number, because 6128871 - 2¹¹ = 6126823 is a prime.

6128871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6128821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25311 + ... + 25551.

It is an arithmetic number, because the mean of its divisors is an integer number (400026).

Almost surely, 2^6128871 is an apocalyptic number.

6128871 is a deficient number, since it is larger than the sum of its proper divisors (3471753).

6128871 is a wasteful number, since it uses less digits than its factorization.

6128871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 424 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 6128871 is about 2475.6556707264. The cubic root of 6128871 is about 183.0038220707.

The spelling of 6128871 in words is "six million, one hundred twenty-eight thousand, eight hundred seventy-one".