128066435 has 16 divisors (see below), whose sum is σ = 180382656. Its totient is φ = 85442688.

The previous prime is 128066417. The next prime is 128066443. The reversal of 128066435 is 534660821.

It is a cyclic number.

It is not a de Polignac number, because 128066435 - 2²⁴ = 111289219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128066395 and 128066404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48152 + ... + 50741.

It is an arithmetic number, because the mean of its divisors is an integer number (11273916).

Almost surely, 2^128066435 is an apocalyptic number.

128066435 is a deficient number, since it is larger than the sum of its proper divisors (52316221).

128066435 is an equidigital number, since it uses as much as digits as its factorization.

128066435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98942.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 128066435 is about 11316.6441580532. The cubic root of 128066435 is about 504.0555953516.

The spelling of 128066435 in words is "one hundred twenty-eight million, sixty-six thousand, four hundred thirty-five".