1328042512 has 10 divisors (see below), whose sum is σ = 2573082398. Its totient is φ = 664021248.

The previous prime is 1328042491. The next prime is 1328042519. The reversal of 1328042512 is 2152408231.

It can be written as a sum of positive squares in only one way, i.e., 1012766976 + 315275536 = 31824^2 + 17756^2 .

It is not an unprimeable number, because it can be changed into a prime (1328042519) 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 as a sum of consecutive naturals, namely, 41501313 + ... + 41501344.

Almost surely, 2^1328042512 is an apocalyptic number.

It is an amenable number.

1328042512 is a deficient number, since it is larger than the sum of its proper divisors (1245039886).

1328042512 is an equidigital number, since it uses as much as digits as its factorization.

1328042512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83002665 (or 83002659 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1328042512 is about 36442.3175991868. The cubic root of 1328042512 is about 1099.1846608195.

It can be divided in two parts, 132804251 and 2, that added together give a triangular number (132804253 = T₁₆₂₉₇).

The spelling of 1328042512 in words is "one billion, three hundred twenty-eight million, forty-two thousand, five hundred twelve".