1129320768 has 28 divisors (see below), whose sum is σ = 2987995040. Its totient is φ = 376440192.

The previous prime is 1129320763. The next prime is 1129320799. The reversal of 1129320768 is 8670239211.

It is a super-3 number, since 3×1129320768³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129320763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940748 + ... + 2941131.

Almost surely, 2^1129320768 is an apocalyptic number.

It is an amenable number.

1129320768 is an abundant number, since it is smaller than the sum of its proper divisors (1858674272).

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

1129320768 is an equidigital number, since it uses as much as digits as its factorization.

1129320768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881894 (or 5881884 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1129320768 is about 33605.3681426048. The cubic root of 1129320768 is about 1041.3717008573.

Adding to 1129320768 its reverse (8670239211), we get a palindrome (9799559979).

The spelling of 1129320768 in words is "one billion, one hundred twenty-nine million, three hundred twenty thousand, seven hundred sixty-eight".