1021320106 has 16 divisors (see below), whose sum is σ = 1599393600. Its totient is φ = 488211328.

The previous prime is 1021320089. The next prime is 1021320107. The reversal of 1021320106 is 6010231201.

1021320106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1021320106.

It is not an unprimeable number, because it can be changed into a prime (1021320107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114330 + ... + 122938.

It is an arithmetic number, because the mean of its divisors is an integer number (99962100).

Almost surely, 2^1021320106 is an apocalyptic number.

1021320106 is a deficient number, since it is larger than the sum of its proper divisors (578073494).

1021320106 is a wasteful number, since it uses less digits than its factorization.

1021320106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11213.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1021320106 is about 31958.0992238274. The cubic root of 1021320106 is about 1007.0567866240.

Adding to 1021320106 its reverse (6010231201), we get a palindrome (7031551307).

The spelling of 1021320106 in words is "one billion, twenty-one million, three hundred twenty thousand, one hundred six".