4818121 has 16 divisors (see below), whose sum is σ = 6134400. Its totient is φ = 3751440.

The previous prime is 4818119. The next prime is 4818133. The reversal of 4818121 is 1218184.

It is not a de Polignac number, because 4818121 - 2¹ = 4818119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4818101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (383400).

Almost surely, 2^4818121 is an apocalyptic number.

It is an amenable number.

4818121 is a deficient number, since it is larger than the sum of its proper divisors (1316279).

4818121 is a wasteful number, since it uses less digits than its factorization.

4818121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1295 counting only the distinct ones).

The product of its digits is 512, while the sum is 25.

The square root of 4818121 is about 2195.0218677726. The cubic root of 4818121 is about 168.8985420928.

The spelling of 4818121 in words is "four million, eight hundred eighteen thousand, one hundred twenty-one".