128102757007 has 2 divisors, whose sum is σ = 128102757008. Its totient is φ = 128102757006.

The previous prime is 128102756923. The next prime is 128102757037. The reversal of 128102757007 is 700757201821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128102757007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128102757037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64051378503 + 64051378504.

It is an arithmetic number, because the mean of its divisors is an integer number (64051378504).

Almost surely, 2^128102757007 is an apocalyptic number.

128102757007 is a deficient number, since it is larger than the sum of its proper divisors (1).

128102757007 is an equidigital number, since it uses as much as digits as its factorization.

128102757007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54880, while the sum is 40.

Adding to 128102757007 its reverse (700757201821), we get a palindrome (828859958828).

The spelling of 128102757007 in words is "one hundred twenty-eight billion, one hundred two million, seven hundred fifty-seven thousand, seven".