128061234635 has 8 divisors (see below), whose sum is σ = 153675571056. Its totient is φ = 102447594720.

The previous prime is 128061234599. The next prime is 128061234643. The reversal of 128061234635 is 536432160821.

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

It is not a de Polignac number, because 128061234635 - 2²⁶ = 127994125771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128061234592 and 128061234601.

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, 406220 + ... + 648950.

It is an arithmetic number, because the mean of its divisors is an integer number (19209446382).

Almost surely, 2^128061234635 is an apocalyptic number.

128061234635 is a deficient number, since it is larger than the sum of its proper divisors (25614336421).

128061234635 is a wasteful number, since it uses less digits than its factorization.

128061234635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348253.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 128061234635 in words is "one hundred twenty-eight billion, sixty-one million, two hundred thirty-four thousand, six hundred thirty-five".