1129139884 has 12 divisors (see below), whose sum is σ = 1976581264. Its totient is φ = 564402384.

The previous prime is 1129139833. The next prime is 1129139899. The reversal of 1129139884 is 4889319211.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26064 + ... + 54199.

Almost surely, 2^1129139884 is an apocalyptic number.

It is an amenable number.

1129139884 is a deficient number, since it is larger than the sum of its proper divisors (847441380).

1129139884 is a wasteful number, since it uses less digits than its factorization.

1129139884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83784 (or 83782 counting only the distinct ones).

The product of its digits is 124416, while the sum is 46.

The square root of 1129139884 is about 33602.6767386171. The cubic root of 1129139884 is about 1041.3160988406.

The spelling of 1129139884 in words is "one billion, one hundred twenty-nine million, one hundred thirty-nine thousand, eight hundred eighty-four".