1268730903 has 16 divisors (see below), whose sum is σ = 1855631232. Its totient is φ = 764676000.

The previous prime is 1268730857. The next prime is 1268730913. The reversal of 1268730903 is 3090378621.

It is not a de Polignac number, because 1268730903 - 2⁶ = 1268730839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268730913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100233 + ... + 112178.

It is an arithmetic number, because the mean of its divisors is an integer number (115976952).

Almost surely, 2^1268730903 is an apocalyptic number.

1268730903 is a deficient number, since it is larger than the sum of its proper divisors (586900329).

1268730903 is a wasteful number, since it uses less digits than its factorization.

1268730903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212606.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1268730903 is about 35619.2490516013. The cubic root of 1268730903 is about 1082.5712918963.

The spelling of 1268730903 in words is "one billion, two hundred sixty-eight million, seven hundred thirty thousand, nine hundred three".