3120871 has 8 divisors (see below), whose sum is σ = 3374784. Its totient is φ = 2868960.

The previous prime is 3120857. The next prime is 3120881. The reversal of 3120871 is 1780213.

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 3120871 - 2¹⁷ = 2989799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5325 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (421848).

Almost surely, 2^3120871 is an apocalyptic number.

3120871 is a deficient number, since it is larger than the sum of its proper divisors (253913).

3120871 is a wasteful number, since it uses less digits than its factorization.

3120871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 3120871 is about 1766.5987093848. The cubic root of 3120871 is about 146.1364677611.

It can be divided in two parts, 31 and 20871, that added together give a palindrome (20902).

The spelling of 3120871 in words is "three million, one hundred twenty thousand, eight hundred seventy-one".