1268903 has 4 divisors (see below), whose sum is σ = 1271160. Its totient is φ = 1266648.

The previous prime is 1268899. The next prime is 1268921. The reversal of 1268903 is 3098621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1268903 - 2² = 1268899 is a prime.

It is a super-2 number, since 2×1268903² = 3220229646818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268963) 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, 476 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (317790).

2^1268903 is an apocalyptic number.

1268903 is a deficient number, since it is larger than the sum of its proper divisors (2257).

1268903 is a wasteful number, since it uses less digits than its factorization.

1268903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1268903 is about 1126.4559467640. The cubic root of 1268903 is about 108.2620238143.

The spelling of 1268903 in words is "one million, two hundred sixty-eight thousand, nine hundred three".