1316171 has 4 divisors (see below), whose sum is σ = 1320312. Its totient is φ = 1312032.

The previous prime is 1316143. The next prime is 1316177. The reversal of 1316171 is 1716131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1716131 = 113 ⋅15187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316171 is a prime.

It is a super-2 number, since 2×1316171² = 3464612202482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316177) 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, 1550 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (330078).

2^1316171 is an apocalyptic number.

1316171 is a deficient number, since it is larger than the sum of its proper divisors (4141).

1316171 is an equidigital number, since it uses as much as digits as its factorization.

1316171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140.

The product of its digits is 126, while the sum is 20.

The square root of 1316171 is about 1147.2449607647. The cubic root of 1316171 is about 109.5899610302.

The spelling of 1316171 in words is "one million, three hundred sixteen thousand, one hundred seventy-one".