1129888366 has 12 divisors (see below), whose sum is σ = 1731392208. Its totient is φ = 552764612.

The previous prime is 1129888321. The next prime is 1129888367. The reversal of 1129888366 is 6638889211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129888367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324165 + ... + 327631.

It is an arithmetic number, because the mean of its divisors is an integer number (144282684).

Almost surely, 2^1129888366 is an apocalyptic number.

1129888366 is a deficient number, since it is larger than the sum of its proper divisors (601503842).

1129888366 is an frugal number, since it uses more digits than its factorization.

1129888366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6983 (or 3516 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The square root of 1129888366 is about 33613.8121313248. The cubic root of 1129888366 is about 1041.5461365338.

The spelling of 1129888366 in words is "one billion, one hundred twenty-nine million, eight hundred eighty-eight thousand, three hundred sixty-six".