1230105320 has 32 divisors (see below), whose sum is σ = 2888075520. Its totient is φ = 470648640.

The previous prime is 1230105311. The next prime is 1230105323. The reversal of 1230105320 is 235010321.

It is not an unprimeable number, because it can be changed into a prime (1230105323) 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, 667616 + ... + 669455.

It is an arithmetic number, because the mean of its divisors is an integer number (90252360).

Almost surely, 2^1230105320 is an apocalyptic number.

1230105320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230105320 is an abundant number, since it is smaller than the sum of its proper divisors (1657970200).

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

1230105320 is a wasteful number, since it uses less digits than its factorization.

1230105320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337105 (or 1337101 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1230105320 is about 35072.8573116021. The cubic root of 1230105320 is about 1071.4718499005.

Adding to 1230105320 its reverse (235010321), we get a palindrome (1465115641).

The spelling of 1230105320 in words is "one billion, two hundred thirty million, one hundred five thousand, three hundred twenty".