1029439105 has 8 divisors (see below), whose sum is σ = 1237413672. Its totient is φ = 822160128.

The previous prime is 1029439093. The next prime is 1029439157. The reversal of 1029439105 is 5019349201.

It can be written as a sum of positive squares in 4 ways, for example, as 156650256 + 872788849 = 12516^2 + 29543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1029439105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170634 + ... + 176563.

It is an arithmetic number, because the mean of its divisors is an integer number (154676709).

Almost surely, 2^1029439105 is an apocalyptic number.

It is an amenable number.

1029439105 is a deficient number, since it is larger than the sum of its proper divisors (207974567).

1029439105 is an equidigital number, since it uses as much as digits as its factorization.

1029439105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347795.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1029439105 is about 32084.8734608694. The cubic root of 1029439105 is about 1009.7182840080.

The spelling of 1029439105 in words is "one billion, twenty-nine million, four hundred thirty-nine thousand, one hundred five".