1303271 has 8 divisors (see below), whose sum is σ = 1425024. Its totient is φ = 1186560.

The previous prime is 1303261. The next prime is 1303279. The reversal of 1303271 is 1723031.

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

It is a cyclic number.

It is not a de Polignac number, because 1303271 - 2¹⁸ = 1041127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (178128).

2^1303271 is an apocalyptic number.

1303271 is a deficient number, since it is larger than the sum of its proper divisors (121753).

1303271 is a wasteful number, since it uses less digits than its factorization.

1303271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1303271 is about 1141.6089523125. The cubic root of 1303271 is about 109.2307487195.

The spelling of 1303271 in words is "one million, three hundred three thousand, two hundred seventy-one".