125425271 has 2 divisors, whose sum is σ = 125425272. Its totient is φ = 125425270.

The previous prime is 125425253. The next prime is 125425291. The reversal of 125425271 is 172524521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125425271 - 2⁶ = 125425207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125425231) 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, 62712635 + 62712636.

It is an arithmetic number, because the mean of its divisors is an integer number (62712636).

Almost surely, 2^125425271 is an apocalyptic number.

125425271 is a deficient number, since it is larger than the sum of its proper divisors (1).

125425271 is an equidigital number, since it uses as much as digits as its factorization.

125425271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 29.

The square root of 125425271 is about 11199.3424360540. The cubic root of 125425271 is about 500.5663861712.

Adding to 125425271 its reverse (172524521), we get a palindrome (297949792).

The spelling of 125425271 in words is "one hundred twenty-five million, four hundred twenty-five thousand, two hundred seventy-one".