125435442241 has 2 divisors, whose sum is σ = 125435442242. Its totient is φ = 125435442240.

The previous prime is 125435442211. The next prime is 125435442247. The reversal of 125435442241 is 142244534521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83575919025 + 41859523216 = 289095^2 + 204596^2 .

It is a cyclic number.

It is not a de Polignac number, because 125435442241 - 2¹³ = 125435434049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125435442241.

It is not a weakly prime, because it can be changed into another prime (125435442247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62717721120 + 62717721121.

It is an arithmetic number, because the mean of its divisors is an integer number (62717721121).

Almost surely, 2^125435442241 is an apocalyptic number.

It is an amenable number.

125435442241 is a deficient number, since it is larger than the sum of its proper divisors (1).

125435442241 is an equidigital number, since it uses as much as digits as its factorization.

125435442241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153600, while the sum is 37.

Adding to 125435442241 its reverse (142244534521), we get a palindrome (267679976762).

The spelling of 125435442241 in words is "one hundred twenty-five billion, four hundred thirty-five million, four hundred forty-two thousand, two hundred forty-one".