1671271 has 8 divisors (see below), whose sum is σ = 1919520. Its totient is φ = 1425408.

The previous prime is 1671227. The next prime is 1671277. The reversal of 1671271 is 1721761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 14-Lehmer number, since φ(1671271) divides (1671271-1)¹⁴.

It is a cyclic number.

It is not a de Polignac number, because 1671271 - 2¹¹ = 1669223 is a prime.

It is a super-3 number, since 3×1671271³ = 14004315513337906533, which contains 333 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (239940).

2^1671271 is an apocalyptic number.

1671271 is a deficient number, since it is larger than the sum of its proper divisors (248249).

1671271 is an equidigital number, since it uses as much as digits as its factorization.

1671271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193.

The product of its digits is 588, while the sum is 25.

The square root of 1671271 is about 1292.7764694641. The cubic root of 1671271 is about 118.6721905788.

The spelling of 1671271 in words is "one million, six hundred seventy-one thousand, two hundred seventy-one".