128035966 has 8 divisors (see below), whose sum is σ = 194368104. Its totient is φ = 63246600.

The previous prime is 128035937. The next prime is 128035981. The reversal of 128035966 is 669530821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385485 + ... + 385816.

It is an arithmetic number, because the mean of its divisors is an integer number (24296013).

Almost surely, 2^128035966 is an apocalyptic number.

128035966 is a deficient number, since it is larger than the sum of its proper divisors (66332138).

128035966 is an equidigital number, since it uses as much as digits as its factorization.

128035966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771386.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 128035966 is about 11315.2978750009. The cubic root of 128035966 is about 504.0156179548.

It can be divided in two parts, 12803 and 5966, that added together give a square (18769 = 137²).

The spelling of 128035966 in words is "one hundred twenty-eight million, thirty-five thousand, nine hundred sixty-six".