128112603 has 8 divisors (see below), whose sum is σ = 170907216. Its totient is φ = 85363200.

The previous prime is 128112601. The next prime is 128112617. The reversal of 128112603 is 306211821.

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

It is not a de Polignac number, because 128112603 - 2¹ = 128112601 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (128112601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018 + ... + 16503.

It is an arithmetic number, because the mean of its divisors is an integer number (21363402).

Almost surely, 2^128112603 is an apocalyptic number.

128112603 is a deficient number, since it is larger than the sum of its proper divisors (42794613).

128112603 is a wasteful number, since it uses less digits than its factorization.

128112603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22605.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 128112603 is about 11318.6838015734. The cubic root of 128112603 is about 504.1161588210.

The spelling of 128112603 in words is "one hundred twenty-eight million, one hundred twelve thousand, six hundred three".