128910035 has 8 divisors (see below), whose sum is σ = 158873136. Its totient is φ = 100340640.

The previous prime is 128909987. The next prime is 128910073. The reversal of 128910035 is 530019821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-128910035 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348221 + ... + 348590.

It is an arithmetic number, because the mean of its divisors is an integer number (19859142).

Almost surely, 2^128910035 is an apocalyptic number.

128910035 is a deficient number, since it is larger than the sum of its proper divisors (29963101).

128910035 is an equidigital number, since it uses as much as digits as its factorization.

128910035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696853.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 128910035 is about 11353.8555125561. The cubic root of 128910035 is about 505.1599467212.

Adding to 128910035 its reverse (530019821), we get a palindrome (658929856).

The spelling of 128910035 in words is "one hundred twenty-eight million, nine hundred ten thousand, thirty-five".