1230161800 has 192 divisors, whose sum is σ = 3398889600. Its totient is φ = 405350400.

The previous prime is 1230161791. The next prime is 1230161819. The reversal of 1230161800 is 81610321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4377660 + ... + 4377940.

It is an arithmetic number, because the mean of its divisors is an integer number (17702550).

Almost surely, 2^1230161800 is an apocalyptic number.

1230161800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230161800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699444800).

1230161800 is an abundant number, since it is smaller than the sum of its proper divisors (2168727800).

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

1230161800 is a wasteful number, since it uses less digits than its factorization.

1230161800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1230161800 is about 35073.6624834077. The cubic root of 1230161800 is about 1071.4882484432.

The spelling of 1230161800 in words is "one billion, two hundred thirty million, one hundred sixty-one thousand, eight hundred".