1268897 has 8 divisors (see below), whose sum is σ = 1535616. Its totient is φ = 1023552.

The previous prime is 1268881. The next prime is 1268899. The reversal of 1268897 is 7988621.

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 1268897 - 2⁴ = 1268881 is a prime.

It is a super-2 number, since 2×1268897² = 3220199193218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268899) 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, 5213 + ... + 5450.

It is an arithmetic number, because the mean of its divisors is an integer number (191952).

2^1268897 is an apocalyptic number.

1268897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1268897 is a deficient number, since it is larger than the sum of its proper divisors (266719).

1268897 is a wasteful number, since it uses less digits than its factorization.

1268897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10687.

The product of its digits is 48384, while the sum is 41.

The square root of 1268897 is about 1126.4532835409. The cubic root of 1268897 is about 108.2618531753.

The spelling of 1268897 in words is "one million, two hundred sixty-eight thousand, eight hundred ninety-seven".