1129266996 has 96 divisors (see below), whose sum is σ = 3105110400. Its totient is φ = 314910720.

The previous prime is 1129266991. The next prime is 1129267019. The reversal of 1129266996 is 6996629211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129266991) 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 31 ways as a sum of consecutive naturals, for example, 701040 + ... + 702648.

It is an arithmetic number, because the mean of its divisors is an integer number (32344900).

Almost surely, 2^1129266996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1129266996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552555200).

1129266996 is an abundant number, since it is smaller than the sum of its proper divisors (1975843404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129266996 is a wasteful number, since it uses less digits than its factorization.

1129266996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 2047 counting only the distinct ones).

The product of its digits is 629856, while the sum is 51.

The square root of 1129266996 is about 33604.5680823307. The cubic root of 1129266996 is about 1041.3551724774.

The spelling of 1129266996 in words is "one billion, one hundred twenty-nine million, two hundred sixty-six thousand, nine hundred ninety-six".