4872109 has 4 divisors (see below), whose sum is σ = 5315040. Its totient is φ = 4429180.

The previous prime is 4872107. The next prime is 4872121. The reversal of 4872109 is 9012784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4872109 - 2¹ = 4872107 is a prime.

It is a super-2 number, since 2×4872109² = 47474892215762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4872103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221449 + ... + 221470.

It is an arithmetic number, because the mean of its divisors is an integer number (1328760).

Almost surely, 2^4872109 is an apocalyptic number.

It is an amenable number.

4872109 is a deficient number, since it is larger than the sum of its proper divisors (442931).

4872109 is a wasteful number, since it uses less digits than its factorization.

4872109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442930.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4872109 is about 2207.2854369111. The cubic root of 4872109 is about 169.5270476005.

The spelling of 4872109 in words is "four million, eight hundred seventy-two thousand, one hundred nine".