125389164029 has 2 divisors, whose sum is σ = 125389164030. Its totient is φ = 125389164028.

The previous prime is 125389164001. The next prime is 125389164041. The reversal of 125389164029 is 920461983521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108901320004 + 16487844025 = 330002^2 + 128405^2 .

It is a cyclic number.

It is not a de Polignac number, because 125389164029 - 2⁸ = 125389163773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125389164049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62694582014 + 62694582015.

It is an arithmetic number, because the mean of its divisors is an integer number (62694582015).

Almost surely, 2^125389164029 is an apocalyptic number.

It is an amenable number.

125389164029 is a deficient number, since it is larger than the sum of its proper divisors (1).

125389164029 is an equidigital number, since it uses as much as digits as its factorization.

125389164029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 125389164029 in words is "one hundred twenty-five billion, three hundred eighty-nine million, one hundred sixty-four thousand, twenty-nine".