1279271 has 8 divisors (see below), whose sum is σ = 1474560. Its totient is φ = 1087128.

The previous prime is 1279253. The next prime is 1279303. The reversal of 1279271 is 1729721.

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

It is not a de Polignac number, because 1279271 - 2¹⁴ = 1262887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279211) 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, 170 + ... + 1608.

It is an arithmetic number, because the mean of its divisors is an integer number (184320).

2^1279271 is an apocalyptic number.

1279271 is a deficient number, since it is larger than the sum of its proper divisors (195289).

1279271 is a wasteful number, since it uses less digits than its factorization.

1279271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its digits is 1764, while the sum is 29.

The square root of 1279271 is about 1131.0486284860. The cubic root of 1279271 is about 108.5560881406.

The spelling of 1279271 in words is "one million, two hundred seventy-nine thousand, two hundred seventy-one".