125988125971 has 2 divisors, whose sum is σ = 125988125972. Its totient is φ = 125988125970.

The previous prime is 125988125951. The next prime is 125988125999. The reversal of 125988125971 is 179521889521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125988125971 - 2⁷ = 125988125843 is a prime.

It is not a weakly prime, because it can be changed into another prime (125988125951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62994062985 + 62994062986.

It is an arithmetic number, because the mean of its divisors is an integer number (62994062986).

Almost surely, 2^125988125971 is an apocalyptic number.

125988125971 is a deficient number, since it is larger than the sum of its proper divisors (1).

125988125971 is an equidigital number, since it uses as much as digits as its factorization.

125988125971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 58.

The spelling of 125988125971 in words is "one hundred twenty-five billion, nine hundred eighty-eight million, one hundred twenty-five thousand, nine hundred seventy-one".