1180578128 has 20 divisors (see below), whose sum is σ = 2308358580. Its totient is φ = 584872704.

The previous prime is 1180578121. The next prime is 1180578143. The reversal of 1180578128 is 8218750811.

It can be written as a sum of positive squares in 2 ways, for example, as 458473744 + 722104384 = 21412^2 + 26872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180578121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336725 + ... + 340212.

It is an arithmetic number, because the mean of its divisors is an integer number (115417929).

Almost surely, 2^1180578128 is an apocalyptic number.

It is an amenable number.

1180578128 is a deficient number, since it is larger than the sum of its proper divisors (1127780452).

1180578128 is a wasteful number, since it uses less digits than its factorization.

1180578128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677054 (or 677048 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 41.

The square root of 1180578128 is about 34359.5420225590. The cubic root of 1180578128 is about 1056.8943534846.

The spelling of 1180578128 in words is "one billion, one hundred eighty million, five hundred seventy-eight thousand, one hundred twenty-eight".