1230788328 has 192 divisors, whose sum is σ = 4013452800. Its totient is φ = 305543040.

The previous prime is 1230788311. The next prime is 1230788329. The reversal of 1230788328 is 8238870321.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1230788328.

It is not an unprimeable number, because it can be changed into a prime (1230788329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 976963 + ... + 978221.

It is an arithmetic number, because the mean of its divisors is an integer number (20903400).

Almost surely, 2^1230788328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230788328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006726400).

1230788328 is an abundant number, since it is smaller than the sum of its proper divisors (2782664472).

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

1230788328 is a wasteful number, since it uses less digits than its factorization.

1230788328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1230788328 is about 35082.5929486405. The cubic root of 1230788328 is about 1071.6701224734.

The spelling of 1230788328 in words is "one billion, two hundred thirty million, seven hundred eighty-eight thousand, three hundred twenty-eight".