1230232120 has 64 divisors (see below), whose sum is σ = 2998800000. Its totient is φ = 454207104.

The previous prime is 1230232111. The next prime is 1230232127. The reversal of 1230232120 is 212320321.

It is a junction number, because it is equal to n+sod(n) for n = 1230232094 and 1230232103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230232127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80881 + ... + 94879.

It is an arithmetic number, because the mean of its divisors is an integer number (46856250).

Almost surely, 2^1230232120 is an apocalyptic number.

1230232120 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 1230232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499400000).

1230232120 is an abundant number, since it is smaller than the sum of its proper divisors (1768567880).

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

1230232120 is a wasteful number, since it uses less digits than its factorization.

1230232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049 (or 14019 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1230232120 is about 35074.6649306875. The cubic root of 1230232120 is about 1071.5086646242.

Adding to 1230232120 its reverse (212320321), we get a palindrome (1442552441).

The spelling of 1230232120 in words is "one billion, two hundred thirty million, two hundred thirty-two thousand, one hundred twenty".