1268907 has 4 divisors (see below), whose sum is σ = 1691880. Its totient is φ = 845936.

The previous prime is 1268899. The next prime is 1268921. The reversal of 1268907 is 7098621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7098621 = 3 ⋅2366207.

It is a cyclic number.

It is not a de Polignac number, because 1268907 - 2³ = 1268899 is a prime.

It is a super-2 number, since 2×1268907² = 3220249949298, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1268947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211482 + ... + 211487.

It is an arithmetic number, because the mean of its divisors is an integer number (422970).

2^1268907 is an apocalyptic number.

1268907 is a deficient number, since it is larger than the sum of its proper divisors (422973).

1268907 is an equidigital number, since it uses as much as digits as its factorization.

1268907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422972.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1268907 is about 1126.4577222426. The cubic root of 1268907 is about 108.2621375734.

The spelling of 1268907 in words is "one million, two hundred sixty-eight thousand, nine hundred seven".