4163044121 has 4 divisors (see below), whose sum is σ = 4163174244. Its totient is φ = 4162914000.

The previous prime is 4163044111. The next prime is 4163044181. The reversal of 4163044121 is 1214403614.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1220524096 + 2942520025 = 34936^2 + 54245^2 .

It is a cyclic number.

It is not a de Polignac number, because 4163044121 - 2¹⁰ = 4163043097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4163044111) 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, 19991 + ... + 93411.

It is an arithmetic number, because the mean of its divisors is an integer number (1040793561).

Almost surely, 2^4163044121 is an apocalyptic number.

It is an amenable number.

4163044121 is a deficient number, since it is larger than the sum of its proper divisors (130123).

4163044121 is an equidigital number, since it uses as much as digits as its factorization.

4163044121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130122.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4163044121 is about 64521.6562171183. The cubic root of 4163044121 is about 1608.6825018796.

Adding to 4163044121 its reverse (1214403614), we get a palindrome (5377447735).

The spelling of 4163044121 in words is "four billion, one hundred sixty-three million, forty-four thousand, one hundred twenty-one".