125446603213 has 2 divisors, whose sum is σ = 125446603214. Its totient is φ = 125446603212.

The previous prime is 125446603193. The next prime is 125446603223. The reversal of 125446603213 is 312306644521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97730013924 + 27716589289 = 312618^2 + 166483^2 .

It is an emirp because it is prime and its reverse (312306644521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125446603213 - 2²⁹ = 124909732301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125446603223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62723301606 + 62723301607.

It is an arithmetic number, because the mean of its divisors is an integer number (62723301607).

Almost surely, 2^125446603213 is an apocalyptic number.

It is an amenable number.

125446603213 is a deficient number, since it is larger than the sum of its proper divisors (1).

125446603213 is an equidigital number, since it uses as much as digits as its factorization.

125446603213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 125446603213 in words is "one hundred twenty-five billion, four hundred forty-six million, six hundred three thousand, two hundred thirteen".