1268843199 has 16 divisors (see below), whose sum is σ = 1917820800. Its totient is φ = 739730016.

The previous prime is 1268843179. The next prime is 1268843221. The reversal of 1268843199 is 9913488621.

It is not a de Polignac number, because 1268843199 - 2¹¹ = 1268841151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268843179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855429 + ... + 856910.

It is an arithmetic number, because the mean of its divisors is an integer number (119863800).

Almost surely, 2^1268843199 is an apocalyptic number.

1268843199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1268843199 is a deficient number, since it is larger than the sum of its proper divisors (648977601).

1268843199 is a wasteful number, since it uses less digits than its factorization.

1268843199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712374.

The product of its digits is 746496, while the sum is 51.

The square root of 1268843199 is about 35620.8253554013. The cubic root of 1268843199 is about 1082.6032305943.

The spelling of 1268843199 in words is "one billion, two hundred sixty-eight million, eight hundred forty-three thousand, one hundred ninety-nine".