1129628159 has 8 divisors (see below), whose sum is σ = 1232590080. Its totient is φ = 1026711000.

The previous prime is 1129628111. The next prime is 1129628161. The reversal of 1129628159 is 9518269211.

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 1129628159 - 2¹² = 1129624063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129621159) 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 7 ways as a sum of consecutive naturals, for example, 63002 + ... + 78920.

It is an arithmetic number, because the mean of its divisors is an integer number (154073760).

Almost surely, 2^1129628159 is an apocalyptic number.

1129628159 is a deficient number, since it is larger than the sum of its proper divisors (102961921).

1129628159 is a wasteful number, since it uses less digits than its factorization.

1129628159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22381.

The product of its digits is 77760, while the sum is 44.

The square root of 1129628159 is about 33609.9413715645. The cubic root of 1129628159 is about 1041.4661763032.

It can be divided in two parts, 112962 and 8159, that added together give a palindrome (121121).

The spelling of 1129628159 in words is "one billion, one hundred twenty-nine million, six hundred twenty-eight thousand, one hundred fifty-nine".