128859011 has 2 divisors, whose sum is σ = 128859012. Its totient is φ = 128859010.

The previous prime is 128858993. The next prime is 128859053. The reversal of 128859011 is 110958821.

It is a weak prime.

It is an emirp because it is prime and its reverse (110958821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128859011 - 2¹⁰ = 128857987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (128859061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64429505 + 64429506.

It is an arithmetic number, because the mean of its divisors is an integer number (64429506).

Almost surely, 2^128859011 is an apocalyptic number.

128859011 is a deficient number, since it is larger than the sum of its proper divisors (1).

128859011 is an equidigital number, since it uses as much as digits as its factorization.

128859011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 35.

The square root of 128859011 is about 11351.6083001485. The cubic root of 128859011 is about 505.0932886508.

The spelling of 128859011 in words is "one hundred twenty-eight million, eight hundred fifty-nine thousand, eleven".