1268671 has 4 divisors (see below), whose sum is σ = 1295712. Its totient is φ = 1241632.

The previous prime is 1268669. The next prime is 1268681. The reversal of 1268671 is 1768621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1768621 = 421 ⋅4201.

It is a cyclic number.

It is not a de Polignac number, because 1268671 - 2¹ = 1268669 is a prime.

It is a super-2 number, since 2×1268671² = 3219052212482, which contains 22 as substring.

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 (1268621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13450 + ... + 13543.

It is an arithmetic number, because the mean of its divisors is an integer number (323928).

2^1268671 is an apocalyptic number.

1268671 is a deficient number, since it is larger than the sum of its proper divisors (27041).

1268671 is an equidigital number, since it uses as much as digits as its factorization.

1268671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27040.

The product of its digits is 4032, while the sum is 31.

The square root of 1268671 is about 1126.3529642168. The cubic root of 1268671 is about 108.2554253797.

The spelling of 1268671 in words is "one million, two hundred sixty-eight thousand, six hundred seventy-one".