1029228321 has 16 divisors (see below), whose sum is σ = 1497735360. Its totient is φ = 623493120.

The previous prime is 1029228293. The next prime is 1029228367. The reversal of 1029228321 is 1238229201.

1029228321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1029228321 - 2⁶ = 1029228257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1029228121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85185 + ... + 96513.

It is an arithmetic number, because the mean of its divisors is an integer number (93608460).

Almost surely, 2^1029228321 is an apocalyptic number.

1029228321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1029228321 is a deficient number, since it is larger than the sum of its proper divisors (468507039).

1029228321 is a wasteful number, since it uses less digits than its factorization.

1029228321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14096.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1029228321 is about 32081.5885049354. The cubic root of 1029228321 is about 1009.6493639571.

The spelling of 1029228321 in words is "one billion, twenty-nine million, two hundred twenty-eight thousand, three hundred twenty-one".