1230024221 has 2 divisors, whose sum is σ = 1230024222. Its totient is φ = 1230024220.

The previous prime is 1230024197. The next prime is 1230024247. The reversal of 1230024221 is 1224200321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1216963225 + 13060996 = 34885^2 + 3614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230024221 - 2¹⁴ = 1230007837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230024221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230024121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615012110 + 615012111.

It is an arithmetic number, because the mean of its divisors is an integer number (615012111).

Almost surely, 2^1230024221 is an apocalyptic number.

It is an amenable number.

1230024221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230024221 is an equidigital number, since it uses as much as digits as its factorization.

1230024221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1230024221 is about 35071.7011420889. The cubic root of 1230024221 is about 1071.4483025386.

Adding to 1230024221 its reverse (1224200321), we get a palindrome (2454224542).

The spelling of 1230024221 in words is "one billion, two hundred thirty million, twenty-four thousand, two hundred twenty-one".