1238068799 has 4 divisors (see below), whose sum is σ = 1350620520. Its totient is φ = 1125517080.

The previous prime is 1238068789. The next prime is 1238068847. The reversal of 1238068799 is 9978608321.

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

It is a cyclic number.

It is not a de Polignac number, because 1238068799 - 2¹² = 1238064703 is a prime.

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 1238068799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238068739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56275844 + ... + 56275865.

It is an arithmetic number, because the mean of its divisors is an integer number (337655130).

Almost surely, 2^1238068799 is an apocalyptic number.

1238068799 is a deficient number, since it is larger than the sum of its proper divisors (112551721).

1238068799 is a wasteful number, since it uses less digits than its factorization.

1238068799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112551720.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 1238068799 is about 35186.2018268525. The cubic root of 1238068799 is about 1073.7790497927.

The spelling of 1238068799 in words is "one billion, two hundred thirty-eight million, sixty-eight thousand, seven hundred ninety-nine".