1268971 has 4 divisors (see below), whose sum is σ = 1384344. Its totient is φ = 1153600.

The previous prime is 1268963. The next prime is 1269001. The reversal of 1268971 is 1798621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1268971 - 2³ = 1268963 is a prime.

It is a super-2 number, since 2×1268971² = 3220574797682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57670 + ... + 57691.

It is an arithmetic number, because the mean of its divisors is an integer number (346086).

2^1268971 is an apocalyptic number.

1268971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1268971 is a deficient number, since it is larger than the sum of its proper divisors (115373).

1268971 is a wasteful number, since it uses less digits than its factorization.

1268971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115372.

The product of its digits is 6048, while the sum is 34.

The square root of 1268971 is about 1126.4861295196. The cubic root of 1268971 is about 108.2639576859.

The spelling of 1268971 in words is "one million, two hundred sixty-eight thousand, nine hundred seventy-one".