1270871 has 4 divisors (see below), whose sum is σ = 1452432. Its totient is φ = 1089312.

The previous prime is 1270861. The next prime is 1270879. The reversal of 1270871 is 1780721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1780721 = 167 ⋅10663.

It is not a de Polignac number, because 1270871 - 2¹⁰ = 1269847 is a prime.

It is a super-2 number, since 2×1270871² = 3230226197282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1270871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90770 + ... + 90783.

It is an arithmetic number, because the mean of its divisors is an integer number (363108).

2^1270871 is an apocalyptic number.

1270871 is a deficient number, since it is larger than the sum of its proper divisors (181561).

1270871 is an equidigital number, since it uses as much as digits as its factorization.

1270871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181560.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 1270871 is about 1127.3291444827. The cubic root of 1270871 is about 108.3179644207.

The spelling of 1270871 in words is "one million, two hundred seventy thousand, eight hundred seventy-one".