1230328080 has 120 divisors (see below), whose sum is σ = 4374945432. Its totient is φ = 308785152.

The previous prime is 1230328049. The next prime is 1230328087. The reversal of 1230328080 is 808230321.

1230328080 is a `hidden beast` number, since 1 + 2 + 303 + 280 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29289744 + 1201038336 = 5412^2 + 34656^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (1230328087) 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 23 ways as a sum of consecutive naturals, for example, 38019 + ... + 62498.

Almost surely, 2^1230328080 is an apocalyptic number.

1230328080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230328080 is an abundant number, since it is smaller than the sum of its proper divisors (3144617352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230328080 is a wasteful number, since it uses less digits than its factorization.

1230328080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100553 (or 100544 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1230328080 is about 35076.0328429542. The cubic root of 1230328080 is about 1071.5365236752.

Subtracting from 1230328080 its product of nonzero digits (2304), we obtain a square (1230325776 = 35076²).

The spelling of 1230328080 in words is "one billion, two hundred thirty million, three hundred twenty-eight thousand, eighty".