1129270843259 has 8 divisors (see below), whose sum is σ = 1245799730112. Its totient is φ = 1016979370560.

The previous prime is 1129270843247. The next prime is 1129270843273. The reversal of 1129270843259 is 9523480729211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1129270843259 - 2⁴ = 1129270843243 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 1129270843259.

It is not an unprimeable number, because it can be changed into a prime (1129270845259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059352979 + ... + 1059354044.

It is an arithmetic number, because the mean of its divisors is an integer number (155724966264).

Almost surely, 2^{1129270843259} is an apocalyptic number.

1129270843259 is a deficient number, since it is larger than the sum of its proper divisors (116528886853).

1129270843259 is a wasteful number, since it uses less digits than its factorization.

1129270843259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118707077.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 1129270843259 in words is "one trillion, one hundred twenty-nine billion, two hundred seventy million, eight hundred forty-three thousand, two hundred fifty-nine".