4728129 has 8 divisors (see below), whose sum is σ = 7204800. Its totient is φ = 2701776.

The previous prime is 4728127. The next prime is 4728149. The reversal of 4728129 is 9218274.

It is a happy number.

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

It is not a de Polignac number, because 4728129 - 2¹ = 4728127 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4728129.

It is not an unprimeable number, because it can be changed into a prime (4728121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112554 + ... + 112595.

It is an arithmetic number, because the mean of its divisors is an integer number (900600).

Almost surely, 2^4728129 is an apocalyptic number.

It is an amenable number.

4728129 is a deficient number, since it is larger than the sum of its proper divisors (2476671).

4728129 is a wasteful number, since it uses less digits than its factorization.

4728129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225159.

The product of its digits is 8064, while the sum is 33.

The square root of 4728129 is about 2174.4261311896. The cubic root of 4728129 is about 167.8403741726.

The spelling of 4728129 in words is "four million, seven hundred twenty-eight thousand, one hundred twenty-nine".