1230324021 has 24 divisors (see below), whose sum is σ = 1790553024. Its totient is φ = 814049280.

The previous prime is 1230324019. The next prime is 1230324049. The reversal of 1230324021 is 1204230321.

1230324021 is a `hidden beast` number, since 1 + 230 + 32 + 402 + 1 = 666.

It is not a de Polignac number, because 1230324021 - 2¹ = 1230324019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230323985 and 1230324003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230324061) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 764800 + ... + 766406.

It is an arithmetic number, because the mean of its divisors is an integer number (74606376).

Almost surely, 2^1230324021 is an apocalyptic number.

It is an amenable number.

1230324021 is a deficient number, since it is larger than the sum of its proper divisors (560229003).

1230324021 is a wasteful number, since it uses less digits than its factorization.

1230324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1230324021 is about 35075.9749828854. The cubic root of 1230324021 is about 1071.5353452981.

Adding to 1230324021 its reverse (1204230321), we get a palindrome (2434554342).

The spelling of 1230324021 in words is "one billion, two hundred thirty million, three hundred twenty-four thousand, twenty-one".