3142871 has 4 divisors (see below), whose sum is σ = 3196200. Its totient is φ = 3089544.

The previous prime is 3142861. The next prime is 3142877. The reversal of 3142871 is 1782413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3142871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3142871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26576 + ... + 26693.

It is an arithmetic number, because the mean of its divisors is an integer number (799050).

Almost surely, 2^3142871 is an apocalyptic number.

3142871 is a deficient number, since it is larger than the sum of its proper divisors (53329).

3142871 is an equidigital number, since it uses as much as digits as its factorization.

3142871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53328.

The product of its digits is 1344, while the sum is 26.

The square root of 3142871 is about 1772.8144290929. The cubic root of 3142871 is about 146.4790513131.

The spelling of 3142871 in words is "three million, one hundred forty-two thousand, eight hundred seventy-one".