4665121 has 4 divisors (see below), whose sum is σ = 4669632. Its totient is φ = 4660612.

The previous prime is 4665119. The next prime is 4665139. The reversal of 4665121 is 1215664.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4665121 - 2¹ = 4665119 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 (4665161) 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 3 ways as a sum of consecutive naturals, for example, 156 + ... + 3058.

It is an arithmetic number, because the mean of its divisors is an integer number (1167408).

Almost surely, 2^4665121 is an apocalyptic number.

It is an amenable number.

4665121 is a deficient number, since it is larger than the sum of its proper divisors (4511).

4665121 is a wasteful number, since it uses less digits than its factorization.

4665121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510.

The product of its digits is 1440, while the sum is 25.

The square root of 4665121 is about 2159.8891175243. The cubic root of 4665121 is about 167.0914793960.

It can be divided in two parts, 4665 and 121, that multiplied together give a palindrome (564465).

The spelling of 4665121 in words is "four million, six hundred sixty-five thousand, one hundred twenty-one".