125041571 has 2 divisors, whose sum is σ = 125041572. Its totient is φ = 125041570.

The previous prime is 125041531. The next prime is 125041583. The reversal of 125041571 is 175140521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125041571 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125041571.

It is not a weakly prime, because it can be changed into another prime (125041531) 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, 62520785 + 62520786.

It is an arithmetic number, because the mean of its divisors is an integer number (62520786).

Almost surely, 2^125041571 is an apocalyptic number.

125041571 is a deficient number, since it is larger than the sum of its proper divisors (1).

125041571 is an equidigital number, since it uses as much as digits as its factorization.

125041571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 125041571 is about 11182.1988445922. The cubic root of 125041571 is about 500.0554218566.

The spelling of 125041571 in words is "one hundred twenty-five million, forty-one thousand, five hundred seventy-one".