1268867 has 2 divisors, whose sum is σ = 1268868. Its totient is φ = 1268866.

The previous prime is 1268849. The next prime is 1268881. The reversal of 1268867 is 7688621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1268867 - 2⁶ = 1268803 is a prime.

It is a super-2 number, since 2×1268867² = 3220046927378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1268867.

It is not a weakly prime, because it can be changed into another prime (1268807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634433 + 634434.

It is an arithmetic number, because the mean of its divisors is an integer number (634434).

2^1268867 is an apocalyptic number.

1268867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268867 is an equidigital number, since it uses as much as digits as its factorization.

1268867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 1268867 is about 1126.4399673307. The cubic root of 1268867 is about 108.2609999720.

The spelling of 1268867 in words is "one million, two hundred sixty-eight thousand, eight hundred sixty-seven".