1267871 has 8 divisors (see below), whose sum is σ = 1401600. Its totient is φ = 1137240.

The previous prime is 1267859. The next prime is 1267873. The reversal of 1267871 is 1787621.

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 1267871 - 2¹⁰ = 1266847 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267873) 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, 140 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (175200).

2^1267871 is an apocalyptic number.

1267871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1267871 is a deficient number, since it is larger than the sum of its proper divisors (133729).

1267871 is a wasteful number, since it uses less digits than its factorization.

1267871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549.

The product of its digits is 4704, while the sum is 32.

The square root of 1267871 is about 1125.9977797491. The cubic root of 1267871 is about 108.2326659855.

It can be divided in two parts, 126 and 7871, that added together give a palindrome (7997).

The spelling of 1267871 in words is "one million, two hundred sixty-seven thousand, eight hundred seventy-one".