1169057128 has 8 divisors (see below), whose sum is σ = 2191982130. Its totient is φ = 584528560.

The previous prime is 1169057111. The next prime is 1169057167. The reversal of 1169057128 is 8217509611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1098127044 + 70930084 = 33138^2 + 8422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73066063 + ... + 73066078.

Almost surely, 2^1169057128 is an apocalyptic number.

It is an amenable number.

1169057128 is a deficient number, since it is larger than the sum of its proper divisors (1022925002).

1169057128 is a wasteful number, since it uses less digits than its factorization.

1169057128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146132147 (or 146132143 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 1169057128 is about 34191.4774176256. The cubic root of 1169057128 is about 1053.4451097355.

The spelling of 1169057128 in words is "one billion, one hundred sixty-nine million, fifty-seven thousand, one hundred twenty-eight".