871207 has 4 divisors (see below), whose sum is σ = 917080. Its totient is φ = 825336.

The previous prime is 871181. The next prime is 871229. The reversal of 871207 is 702178.

It is a happy number.

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-871207 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 (811207) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 22908 + ... + 22945.

It is an arithmetic number, because the mean of its divisors is an integer number (229270).

2⁸⁷¹²⁰⁷ is an apocalyptic number.

871207 is a deficient number, since it is larger than the sum of its proper divisors (45873).

871207 is a wasteful number, since it uses less digits than its factorization.

871207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45872.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 871207 is about 933.3847009674. The cubic root of 871207 is about 95.5081542337.

The spelling of 871207 in words is "eight hundred seventy-one thousand, two hundred seven".