1180370728 has 16 divisors (see below), whose sum is σ = 2218612500. Its totient is φ = 588740736.

The previous prime is 1180370671. The next prime is 1180370773. The reversal of 1180370728 is 8270730811.

It can be written as a sum of positive squares in 2 ways, for example, as 909504964 + 270865764 = 30158^2 + 16458^2 .

It is an unprimeable number.

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, 177103 + ... + 183646.

Almost surely, 2^1180370728 is an apocalyptic number.

It is an amenable number.

1180370728 is a deficient number, since it is larger than the sum of its proper divisors (1038241772).

1180370728 is a wasteful number, since it uses less digits than its factorization.

1180370728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361164 (or 361160 counting only the distinct ones).

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

The square root of 1180370728 is about 34356.5238055307. The cubic root of 1180370728 is about 1056.8324593101.

The spelling of 1180370728 in words is "one billion, one hundred eighty million, three hundred seventy thousand, seven hundred twenty-eight".