1012871 has 4 divisors (see below), whose sum is σ = 1066200. Its totient is φ = 959544.

The previous prime is 1012861. The next prime is 1012903. The reversal of 1012871 is 1782101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1782101 = 619 ⋅2879.

It is a cyclic number.

It is not a de Polignac number, because 1012871 - 2¹⁴ = 996487 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 (1012811) 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, 26636 + ... + 26673.

It is an arithmetic number, because the mean of its divisors is an integer number (266550).

2^1012871 is an apocalyptic number.

1012871 is a deficient number, since it is larger than the sum of its proper divisors (53329).

1012871 is an equidigital number, since it uses as much as digits as its factorization.

1012871 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 (nonzero) digits is 112, while the sum is 20.

The square root of 1012871 is about 1006.4149243726. The cubic root of 1012871 is about 100.4272056874.

Adding to 1012871 its reverse (1782101), we get a palindrome (2794972).

The spelling of 1012871 in words is "one million, twelve thousand, eight hundred seventy-one".