128755007 has 2 divisors, whose sum is σ = 128755008. Its totient is φ = 128755006.

The previous prime is 128754979. The next prime is 128755037. The reversal of 128755007 is 700557821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128755007 - 2¹⁶ = 128689471 is a prime.

It is a super-3 number, since 3×128755007³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128755037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64377503 + 64377504.

It is an arithmetic number, because the mean of its divisors is an integer number (64377504).

Almost surely, 2^128755007 is an apocalyptic number.

128755007 is a deficient number, since it is larger than the sum of its proper divisors (1).

128755007 is an equidigital number, since it uses as much as digits as its factorization.

128755007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 128755007 is about 11347.0263505466. The cubic root of 128755007 is about 504.9573626715.

The spelling of 128755007 in words is "one hundred twenty-eight million, seven hundred fifty-five thousand, seven".