1230304161 has 32 divisors (see below), whose sum is σ = 1799110656. Its totient is φ = 744480000.

The previous prime is 1230304147. The next prime is 1230304177. The reversal of 1230304161 is 1614030321.

It is not a de Polignac number, because 1230304161 - 2¹¹ = 1230302113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230314161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522136 + ... + 524486.

It is an arithmetic number, because the mean of its divisors is an integer number (56222208).

Almost surely, 2^1230304161 is an apocalyptic number.

It is an amenable number.

1230304161 is a deficient number, since it is larger than the sum of its proper divisors (568806495).

1230304161 is a wasteful number, since it uses less digits than its factorization.

1230304161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1230304161 is about 35075.6918819857. The cubic root of 1230304161 is about 1071.5295796607.

Adding to 1230304161 its reverse (1614030321), we get a palindrome (2844334482).

The spelling of 1230304161 in words is "one billion, two hundred thirty million, three hundred four thousand, one hundred sixty-one".