1268271 has 16 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 835704.

The previous prime is 1268261. The next prime is 1268279. The reversal of 1268271 is 1728621.

It is not a de Polignac number, because 1268271 - 2⁶ = 1268207 is a prime.

It is a super-2 number, since 2×1268271² = 3217022658882, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2670 + ... + 3108.

It is an arithmetic number, because the mean of its divisors is an integer number (118800).

2^1268271 is an apocalyptic number.

1268271 is a deficient number, since it is larger than the sum of its proper divisors (632529).

1268271 is a wasteful number, since it uses less digits than its factorization.

1268271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 549 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1268271 is about 1126.1753859857. The cubic root of 1268271 is about 108.2440468789.

The spelling of 1268271 in words is "one million, two hundred sixty-eight thousand, two hundred seventy-one".