125818271 has 2 divisors, whose sum is σ = 125818272. Its totient is φ = 125818270.

The previous prime is 125818249. The next prime is 125818279. The reversal of 125818271 is 172818521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125818271 - 2²⁶ = 58709407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125818279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62909135 + 62909136.

It is an arithmetic number, because the mean of its divisors is an integer number (62909136).

Almost surely, 2^125818271 is an apocalyptic number.

125818271 is a deficient number, since it is larger than the sum of its proper divisors (1).

125818271 is an equidigital number, since it uses as much as digits as its factorization.

125818271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 35.

The square root of 125818271 is about 11216.8743863877. The cubic root of 125818271 is about 501.0886559362.

The spelling of 125818271 in words is "one hundred twenty-five million, eight hundred eighteen thousand, two hundred seventy-one".