1129071884 has 12 divisors (see below), whose sum is σ = 2079869400. Its totient is φ = 534823488.

The previous prime is 1129071883. The next prime is 1129071893. The reversal of 1129071884 is 4881709211.

It is a super-4 number, since 4×1129071884⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1129071883) 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 3 ways as a sum of consecutive naturals, for example, 7428029 + ... + 7428180.

It is an arithmetic number, because the mean of its divisors is an integer number (173322450).

Almost surely, 2^1129071884 is an apocalyptic number.

It is an amenable number.

1129071884 is a deficient number, since it is larger than the sum of its proper divisors (950797516).

1129071884 is a wasteful number, since it uses less digits than its factorization.

1129071884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14856232 (or 14856230 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 1129071884 is about 33601.6648992278. The cubic root of 1129071884 is about 1041.2951947533.

The spelling of 1129071884 in words is "one billion, one hundred twenty-nine million, seventy-one thousand, eight hundred eighty-four".