4043230121 has 16 divisors (see below), whose sum is σ = 4701306240. Its totient is φ = 3405386880.

The previous prime is 4043230117. The next prime is 4043230157. The reversal of 4043230121 is 1210323404.

It is not a de Polignac number, because 4043230121 - 2² = 4043230117 is a prime.

It is a super-2 number, since 2×4043230121² = 32695419622723349282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4043230093 and 4043230102.

It is not an unprimeable number, because it can be changed into a prime (4043232121) 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, 477890 + ... + 486276.

It is an arithmetic number, because the mean of its divisors is an integer number (293831640).

Almost surely, 2^4043230121 is an apocalyptic number.

It is an amenable number.

4043230121 is a deficient number, since it is larger than the sum of its proper divisors (658076119).

4043230121 is a wasteful number, since it uses less digits than its factorization.

4043230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9584.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4043230121 is about 63586.3988679969. The cubic root of 4043230121 is about 1593.0992016586.

Adding to 4043230121 its reverse (1210323404), we get a palindrome (5253553525).

The spelling of 4043230121 in words is "four billion, forty-three million, two hundred thirty thousand, one hundred twenty-one".