128015753 has 2 divisors, whose sum is σ = 128015754. Its totient is φ = 128015752.

The previous prime is 128015747. The next prime is 128015801. The reversal of 128015753 is 357510821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90402064 + 37613689 = 9508^2 + 6133^2 .

It is a cyclic number.

It is not a de Polignac number, because 128015753 - 2⁸ = 128015497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (128015743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64007876 + 64007877.

It is an arithmetic number, because the mean of its divisors is an integer number (64007877).

Almost surely, 2^128015753 is an apocalyptic number.

It is an amenable number.

128015753 is a deficient number, since it is larger than the sum of its proper divisors (1).

128015753 is an equidigital number, since it uses as much as digits as its factorization.

128015753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 128015753 is about 11314.4046683862. The cubic root of 128015753 is about 503.9890936268.

The spelling of 128015753 in words is "one hundred twenty-eight million, fifteen thousand, seven hundred fifty-three".