1170871 has 4 divisors (see below), whose sum is σ = 1260952. Its totient is φ = 1080792.

The previous prime is 1170863. The next prime is 1170899. The reversal of 1170871 is 1780711.

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

It is a cyclic number.

It is not a de Polignac number, because 1170871 - 2³ = 1170863 is a prime.

It is a Duffinian number.

1170871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170811) 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, 45021 + ... + 45046.

It is an arithmetic number, because the mean of its divisors is an integer number (315238).

2^1170871 is an apocalyptic number.

1170871 is a deficient number, since it is larger than the sum of its proper divisors (90081).

1170871 is an equidigital number, since it uses as much as digits as its factorization.

1170871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90080.

The product of its (nonzero) digits is 392, while the sum is 25.

The square root of 1170871 is about 1082.0679276275. The cubic root of 1170871 is about 105.3989658883.

The spelling of 1170871 in words is "one million, one hundred seventy thousand, eight hundred seventy-one".