125005241 has 2 divisors, whose sum is σ = 125005242. Its totient is φ = 125005240.

The previous prime is 125005201. The next prime is 125005259. The reversal of 125005241 is 142500521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95628841 + 29376400 = 9779^2 + 5420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125005241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125005201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62502620 + 62502621.

It is an arithmetic number, because the mean of its divisors is an integer number (62502621).

Almost surely, 2^125005241 is an apocalyptic number.

It is an amenable number.

125005241 is a deficient number, since it is larger than the sum of its proper divisors (1).

125005241 is an equidigital number, since it uses as much as digits as its factorization.

125005241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 125005241 is about 11180.5742696876. The cubic root of 125005241 is about 500.0069879023.

Adding to 125005241 its reverse (142500521), we get a palindrome (267505762).

The spelling of 125005241 in words is "one hundred twenty-five million, five thousand, two hundred forty-one".