125971141 has 2 divisors, whose sum is σ = 125971142. Its totient is φ = 125971140.

The previous prime is 125971133. The next prime is 125971171. The reversal of 125971141 is 141179521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106523041 + 19448100 = 10321^2 + 4410^2 .

It is a cyclic number.

It is not a de Polignac number, because 125971141 - 2³ = 125971133 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 (125971171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62985570 + 62985571.

It is an arithmetic number, because the mean of its divisors is an integer number (62985571).

Almost surely, 2^125971141 is an apocalyptic number.

It is an amenable number.

125971141 is a deficient number, since it is larger than the sum of its proper divisors (1).

125971141 is an equidigital number, since it uses as much as digits as its factorization.

125971141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 31.

The square root of 125971141 is about 11223.6866046767. The cubic root of 125971141 is about 501.2915157684.

The spelling of 125971141 in words is "one hundred twenty-five million, nine hundred seventy-one thousand, one hundred forty-one".