4787123 has 6 divisors (see below), whose sum is σ = 5262012. Its totient is φ = 4351820.

The previous prime is 4787099. The next prime is 4787161. The reversal of 4787123 is 3217874.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4787123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4787123.

It is not an unprimeable number, because it can be changed into a prime (4787173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19661 + ... + 19902.

It is an arithmetic number, because the mean of its divisors is an integer number (877002).

Almost surely, 2^4787123 is an apocalyptic number.

4787123 is a deficient number, since it is larger than the sum of its proper divisors (474889).

4787123 is a wasteful number, since it uses less digits than its factorization.

4787123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39585 (or 39574 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 4787123 is about 2187.9494966749. The cubic root of 4787123 is about 168.5355523781.

The spelling of 4787123 in words is "four million, seven hundred eighty-seven thousand, one hundred twenty-three".