1146107728 has 20 divisors (see below), whose sum is σ = 2221200468. Its totient is φ = 572894720.

The previous prime is 1146107723. The next prime is 1146107731. The reversal of 1146107728 is 8277016411.

It can be written as a sum of positive squares in 2 ways, for example, as 872139024 + 273968704 = 29532^2 + 16552^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146107723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67950 + ... + 83122.

Almost surely, 2^1146107728 is an apocalyptic number.

It is an amenable number.

1146107728 is a deficient number, since it is larger than the sum of its proper divisors (1075092740).

1146107728 is a wasteful number, since it uses less digits than its factorization.

1146107728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19902 (or 19896 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 1146107728 is about 33854.2128545326. The cubic root of 1146107728 is about 1046.5062192470.

The spelling of 1146107728 in words is "one billion, one hundred forty-six million, one hundred seven thousand, seven hundred twenty-eight".