4681121 has 6 divisors (see below), whose sum is σ = 4894050. Its totient is φ = 4477088.

The previous prime is 4681097. The next prime is 4681147. The reversal of 4681121 is 1211864.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 2235025 = 1564^2 + 1495^2 .

It is not a de Polignac number, because 4681121 - 2¹⁰ = 4680097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4681321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3896 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (815675).

Almost surely, 2^4681121 is an apocalyptic number.

It is an amenable number.

4681121 is a deficient number, since it is larger than the sum of its proper divisors (212929).

4681121 is an equidigital number, since it uses as much as digits as its factorization.

4681121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895 (or 8872 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 4681121 is about 2163.5898409819. The cubic root of 4681121 is about 167.2822863855.

Adding to 4681121 its reverse (1211864), we get a palindrome (5892985).

The spelling of 4681121 in words is "four million, six hundred eighty-one thousand, one hundred twenty-one".