125208712828039 has 2 divisors, whose sum is σ = 125208712828040. Its totient is φ = 125208712828038.

The previous prime is 125208712828019. The next prime is 125208712828117. The reversal of 125208712828039 is 930828217802521.

It is a weak prime.

It is an emirp because it is prime and its reverse (930828217802521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125208712828039 - 2⁷ = 125208712827911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125208712828019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62604356414019 + 62604356414020.

It is an arithmetic number, because the mean of its divisors is an integer number (62604356414020).

Almost surely, 2^{125208712828039} is an apocalyptic number.

125208712828039 is a deficient number, since it is larger than the sum of its proper divisors (1).

125208712828039 is an equidigital number, since it uses as much as digits as its factorization.

125208712828039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 125208712828039 in words is "one hundred twenty-five trillion, two hundred eight billion, seven hundred twelve million, eight hundred twenty-eight thousand, thirty-nine".