871126 has 4 divisors (see below), whose sum is σ = 1306692. Its totient is φ = 435562.

The previous prime is 871103. The next prime is 871147. The reversal of 871126 is 621178.

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

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 871126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217780 + ... + 217783.

It is an arithmetic number, because the mean of its divisors is an integer number (326673).

2⁸⁷¹¹²⁶ is an apocalyptic number.

871126 is a deficient number, since it is larger than the sum of its proper divisors (435566).

871126 is a wasteful number, since it uses less digits than its factorization.

871126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435565.

The product of its digits is 672, while the sum is 25.

The square root of 871126 is about 933.3413094897. The cubic root of 871126 is about 95.5051942023.

It can be divided in two parts, 871 and 126, that multiplied together give a triangular number (109746 = T₄₆₈).

The spelling of 871126 in words is "eight hundred seventy-one thousand, one hundred twenty-six".