1268103 has 4 divisors (see below), whose sum is σ = 1690808. Its totient is φ = 845400.

The previous prime is 1268093. The next prime is 1268119. The reversal of 1268103 is 3018621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1268103 - 2⁶ = 1268039 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1268103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211348 + ... + 211353.

It is an arithmetic number, because the mean of its divisors is an integer number (422702).

2^1268103 is an apocalyptic number.

1268103 is a deficient number, since it is larger than the sum of its proper divisors (422705).

1268103 is an equidigital number, since it uses as much as digits as its factorization.

1268103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422704.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1268103 is about 1126.1007947782. The cubic root of 1268103 is about 108.2392671952.

The spelling of 1268103 in words is "one million, two hundred sixty-eight thousand, one hundred three".