12125651 has 2 divisors, whose sum is σ = 12125652. Its totient is φ = 12125650.

The previous prime is 12125647. The next prime is 12125657. The reversal of 12125651 is 15652121.

It is a happy number.

12125651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12125651 - 2² = 12125647 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12125657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062825 + 6062826.

It is an arithmetic number, because the mean of its divisors is an integer number (6062826).

Almost surely, 2^12125651 is an apocalyptic number.

12125651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12125651 is an equidigital number, since it uses as much as digits as its factorization.

12125651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 12125651 is about 3482.1905461936. The cubic root of 12125651 is about 229.7391560835.

Adding to 12125651 its reverse (15652121), we get a palindrome (27777772).

The spelling of 12125651 in words is "twelve million, one hundred twenty-five thousand, six hundred fifty-one".