478128103 has 4 divisors (see below), whose sum is σ = 503292760. Its totient is φ = 452963448.

The previous prime is 478128083. The next prime is 478128127. The reversal of 478128103 is 301821874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 478128103 - 2⁹ = 478127591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478128193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12582300 + ... + 12582337.

It is an arithmetic number, because the mean of its divisors is an integer number (125823190).

Almost surely, 2^478128103 is an apocalyptic number.

478128103 is a deficient number, since it is larger than the sum of its proper divisors (25164657).

478128103 is a wasteful number, since it uses less digits than its factorization.

478128103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25164656.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 478128103 is about 21866.1405602360. The cubic root of 478128103 is about 781.9543926978.

Adding to 478128103 its reverse (301821874), we get a palindrome (779949977).

The spelling of 478128103 in words is "four hundred seventy-eight million, one hundred twenty-eight thousand, one hundred three".