1230124529 has 2 divisors, whose sum is σ = 1230124530. Its totient is φ = 1230124528.

The previous prime is 1230124457. The next prime is 1230124579. The reversal of 1230124529 is 9254210321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 921243904 + 308880625 = 30352^2 + 17575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230124529 - 2²⁸ = 961689073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1230124579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615062264 + 615062265.

It is an arithmetic number, because the mean of its divisors is an integer number (615062265).

Almost surely, 2^1230124529 is an apocalyptic number.

It is an amenable number.

1230124529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230124529 is an equidigital number, since it uses as much as digits as its factorization.

1230124529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1230124529 is about 35073.1311547743. The cubic root of 1230124529 is about 1071.4774271453.

The spelling of 1230124529 in words is "one billion, two hundred thirty million, one hundred twenty-four thousand, five hundred twenty-nine".