1129715841 has 16 divisors (see below), whose sum is σ = 1595700864. Its totient is φ = 708482304.

The previous prime is 1129715819. The next prime is 1129715843. The reversal of 1129715841 is 1485179211.

It is not a de Polignac number, because 1129715841 - 2⁵ = 1129715809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1129715841.

It is not an unprimeable number, because it can be changed into a prime (1129715843) 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 15 ways as a sum of consecutive naturals, for example, 126076 + ... + 134738.

It is an arithmetic number, because the mean of its divisors is an integer number (99731304).

Almost surely, 2^1129715841 is an apocalyptic number.

It is an amenable number.

1129715841 is a deficient number, since it is larger than the sum of its proper divisors (465985023).

1129715841 is a wasteful number, since it uses less digits than its factorization.

1129715841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11240.

The product of its digits is 20160, while the sum is 39.

The square root of 1129715841 is about 33611.2457519801. The cubic root of 1129715841 is about 1041.4931218882.

The spelling of 1129715841 in words is "one billion, one hundred twenty-nine million, seven hundred fifteen thousand, eight hundred forty-one".