125412971 has 2 divisors, whose sum is σ = 125412972. Its totient is φ = 125412970.

The previous prime is 125412871. The next prime is 125412979. The reversal of 125412971 is 179214521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125412971 - 2¹⁸ = 125150827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (125412979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62706485 + 62706486.

It is an arithmetic number, because the mean of its divisors is an integer number (62706486).

Almost surely, 2^125412971 is an apocalyptic number.

125412971 is a deficient number, since it is larger than the sum of its proper divisors (1).

125412971 is an equidigital number, since it uses as much as digits as its factorization.

125412971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 32.

The square root of 125412971 is about 11198.7932832069. The cubic root of 125412971 is about 500.5500227281.

The spelling of 125412971 in words is "one hundred twenty-five million, four hundred twelve thousand, nine hundred seventy-one".