12530123 has 2 divisors, whose sum is σ = 12530124. Its totient is φ = 12530122.

The previous prime is 12530099. The next prime is 12530137. The reversal of 12530123 is 32103521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12530123 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12530143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265061 + 6265062.

It is an arithmetic number, because the mean of its divisors is an integer number (6265062).

Almost surely, 2^12530123 is an apocalyptic number.

12530123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12530123 is an equidigital number, since it uses as much as digits as its factorization.

12530123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12530123 is about 3539.7913780335. The cubic root of 12530123 is about 232.2657169034.

Adding to 12530123 its reverse (32103521), we get a palindrome (44633644).

The spelling of 12530123 in words is "twelve million, five hundred thirty thousand, one hundred twenty-three".