1310871 has 4 divisors (see below), whose sum is σ = 1747832. Its totient is φ = 873912.

The previous prime is 1310851. The next prime is 1310891. The reversal of 1310871 is 1780131.

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

It is an interprime number because it is at equal distance from previous prime (1310851) and next prime (1310891).

It is not a de Polignac number, because 1310871 - 2⁶ = 1310807 is a prime.

It is a D-number.

It is a Duffinian number.

1310871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218476 + ... + 218481.

It is an arithmetic number, because the mean of its divisors is an integer number (436958).

2^1310871 is an apocalyptic number.

1310871 is a deficient number, since it is larger than the sum of its proper divisors (436961).

1310871 is an equidigital number, since it uses as much as digits as its factorization.

1310871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436960.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1310871 is about 1144.9327491167. The cubic root of 1310871 is about 109.4426630035.

The spelling of 1310871 in words is "one million, three hundred ten thousand, eight hundred seventy-one".