12325121 has 2 divisors, whose sum is σ = 12325122. Its totient is φ = 12325120.

The previous prime is 12325099. The next prime is 12325123. The reversal of 12325121 is 12152321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8850625 + 3474496 = 2975^2 + 1864^2 .

It is an emirp because it is prime and its reverse (12152321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12325121 - 2⁶ = 12325057 is a prime.

It is a Sophie Germain prime.

Together with 12325123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12325121.

It is not a weakly prime, because it can be changed into another prime (12325123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6162560 + 6162561.

It is an arithmetic number, because the mean of its divisors is an integer number (6162561).

Almost surely, 2^12325121 is an apocalyptic number.

It is an amenable number.

12325121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12325121 is an equidigital number, since it uses as much as digits as its factorization.

12325121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 17.

The square root of 12325121 is about 3510.7151693067. The cubic root of 12325121 is about 230.9920663430.

Adding to 12325121 its reverse (12152321), we get a palindrome (24477442).

The spelling of 12325121 in words is "twelve million, three hundred twenty-five thousand, one hundred twenty-one".