6871131 has 12 divisors (see below), whose sum is σ = 10024560. Its totient is φ = 4534800.

The previous prime is 6871127. The next prime is 6871133. The reversal of 6871131 is 1311786.

It is not a de Polignac number, because 6871131 - 2² = 6871127 is a prime.

It is a super-2 number, since 2×6871131² = 94424882438322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6871095 and 6871104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2871 + ... + 4688.

It is an arithmetic number, because the mean of its divisors is an integer number (835380).

Almost surely, 2^6871131 is an apocalyptic number.

6871131 is a deficient number, since it is larger than the sum of its proper divisors (3153429).

6871131 is a wasteful number, since it uses less digits than its factorization.

6871131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666 (or 7663 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 6871131 is about 2621.2842272443. The cubic root of 6871131 is about 190.1119469556. Note that the first 3 decimals are identical.

The spelling of 6871131 in words is "six million, eight hundred seventy-one thousand, one hundred thirty-one".