1165128334 has 16 divisors (see below), whose sum is σ = 1755198720. Its totient is φ = 580068280.

The previous prime is 1165128311. The next prime is 1165128347. The reversal of 1165128334 is 4338215611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165128334.

It is a congruent number.

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, 587757 + ... + 589735.

It is an arithmetic number, because the mean of its divisors is an integer number (109699920).

Almost surely, 2^1165128334 is an apocalyptic number.

1165128334 is a deficient number, since it is larger than the sum of its proper divisors (590070386).

1165128334 is a wasteful number, since it uses less digits than its factorization.

1165128334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095.

The product of its digits is 17280, while the sum is 34.

The square root of 1165128334 is about 34133.9762406902. The cubic root of 1165128334 is about 1052.2636978886.

The spelling of 1165128334 in words is "one billion, one hundred sixty-five million, one hundred twenty-eight thousand, three hundred thirty-four".