125710271 has 2 divisors, whose sum is σ = 125710272. Its totient is φ = 125710270.

The previous prime is 125710267. The next prime is 125710303. The reversal of 125710271 is 172017521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125710271 - 2² = 125710267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125710271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125712271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62855135 + 62855136.

It is an arithmetic number, because the mean of its divisors is an integer number (62855136).

Almost surely, 2^125710271 is an apocalyptic number.

125710271 is a deficient number, since it is larger than the sum of its proper divisors (1).

125710271 is an equidigital number, since it uses as much as digits as its factorization.

125710271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 125710271 is about 11212.0591775106. The cubic root of 125710271 is about 500.9452399169.

Adding to 125710271 its reverse (172017521), we get a palindrome (297727792).

The spelling of 125710271 in words is "one hundred twenty-five million, seven hundred ten thousand, two hundred seventy-one".