1231204301 has 2 divisors, whose sum is σ = 1231204302. Its totient is φ = 1231204300.

The previous prime is 1231204259. The next prime is 1231204319. The reversal of 1231204301 is 1034021321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1230255625 + 948676 = 35075^2 + 974^2 .

It is an emirp because it is prime and its reverse (1034021321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1231204301 - 2¹⁰ = 1231203277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231204301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231204391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615602150 + 615602151.

It is an arithmetic number, because the mean of its divisors is an integer number (615602151).

Almost surely, 2^1231204301 is an apocalyptic number.

It is an amenable number.

1231204301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231204301 is an equidigital number, since it uses as much as digits as its factorization.

1231204301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1231204301 is about 35088.5209292156. The cubic root of 1231204301 is about 1071.7908406651.

Adding to 1231204301 its reverse (1034021321), we get a palindrome (2265225622).

The spelling of 1231204301 in words is "one billion, two hundred thirty-one million, two hundred four thousand, three hundred one".