1129695328 has 24 divisors (see below), whose sum is σ = 2225807640. Its totient is φ = 564410880.

The previous prime is 1129695323. The next prime is 1129695341. The reversal of 1129695328 is 8235969211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129695323) 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, 30583 + ... + 56521.

It is an arithmetic number, because the mean of its divisors is an integer number (92741985).

Almost surely, 2^1129695328 is an apocalyptic number.

It is an amenable number.

1129695328 is a deficient number, since it is larger than the sum of its proper divisors (1096112312).

1129695328 is a wasteful number, since it uses less digits than its factorization.

1129695328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27310 (or 27302 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 1129695328 is about 33610.9405997511. The cubic root of 1129695328 is about 1041.4868181562.

The spelling of 1129695328 in words is "one billion, one hundred twenty-nine million, six hundred ninety-five thousand, three hundred twenty-eight".