128751046741 has 2 divisors, whose sum is σ = 128751046742. Its totient is φ = 128751046740.

The previous prime is 128751046733. The next prime is 128751046799. The reversal of 128751046741 is 147640157821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108979874641 + 19771172100 = 330121^2 + 140610^2 .

It is a cyclic number.

It is not a de Polignac number, because 128751046741 - 2³ = 128751046733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128751046691 and 128751046700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128751040741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64375523370 + 64375523371.

It is an arithmetic number, because the mean of its divisors is an integer number (64375523371).

Almost surely, 2^128751046741 is an apocalyptic number.

It is an amenable number.

128751046741 is a deficient number, since it is larger than the sum of its proper divisors (1).

128751046741 is an equidigital number, since it uses as much as digits as its factorization.

128751046741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 128751046741 in words is "one hundred twenty-eight billion, seven hundred fifty-one million, forty-six thousand, seven hundred forty-one".