1268863 has 8 divisors (see below), whose sum is σ = 1358640. Its totient is φ = 1180800.

The previous prime is 1268849. The next prime is 1268867. The reversal of 1268863 is 3688621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1268863 is a prime.

It is a super-2 number, since 2×1268863² = 3220026625538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268867) 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, 1348 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (169830).

2^1268863 is an apocalyptic number.

1268863 is a deficient number, since it is larger than the sum of its proper divisors (89777).

1268863 is a wasteful number, since it uses less digits than its factorization.

1268863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its digits is 13824, while the sum is 34.

The square root of 1268863 is about 1126.4381918241. The cubic root of 1268863 is about 108.2608862106.

The spelling of 1268863 in words is "one million, two hundred sixty-eight thousand, eight hundred sixty-three".