1020129328 has 10 divisors (see below), whose sum is σ = 1976500604. Its totient is φ = 510064656.

The previous prime is 1020129283. The next prime is 1020129329. The reversal of 1020129328 is 8239210201.

1020129328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1020129296 and 1020129305.

It is not an unprimeable number, because it can be changed into a prime (1020129329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31879026 + ... + 31879057.

Almost surely, 2^1020129328 is an apocalyptic number.

It is an amenable number.

1020129328 is a deficient number, since it is larger than the sum of its proper divisors (956371276).

1020129328 is an equidigital number, since it uses as much as digits as its factorization.

1020129328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63758091 (or 63758085 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1020129328 is about 31939.4634895453. The cubic root of 1020129328 is about 1006.6652517170.

Adding to 1020129328 its reverse (8239210201), we get a palindrome (9259339529).

The spelling of 1020129328 in words is "one billion, twenty million, one hundred twenty-nine thousand, three hundred twenty-eight".