1129938276 has 24 divisors (see below), whose sum is σ = 2637169920. Its totient is φ = 376553632.

The previous prime is 1129938259. The next prime is 1129938283. The reversal of 1129938276 is 6728399211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54430 + ... + 72266.

It is an arithmetic number, because the mean of its divisors is an integer number (109882080).

Almost surely, 2^1129938276 is an apocalyptic number.

It is an amenable number.

1129938276 is an abundant number, since it is smaller than the sum of its proper divisors (1507231644).

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

1129938276 is a wasteful number, since it uses less digits than its factorization.

1129938276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23123 (or 23121 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 1129938276 is about 33614.5545262763. The cubic root of 1129938276 is about 1041.5614722088.

The spelling of 1129938276 in words is "one billion, one hundred twenty-nine million, nine hundred thirty-eight thousand, two hundred seventy-six".