4024420121 has 16 divisors (see below), whose sum is σ = 4103737344. Its totient is φ = 3946128144.

The previous prime is 4024420079. The next prime is 4024420129. The reversal of 4024420121 is 1210244204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4024420121 is a prime.

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 = 4024420093 and 4024420102.

It is not an unprimeable number, because it can be changed into a prime (4024420129) 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, 5416076 + ... + 5416818.

It is an arithmetic number, because the mean of its divisors is an integer number (256483584).

Almost surely, 2^4024420121 is an apocalyptic number.

It is an amenable number.

4024420121 is a deficient number, since it is larger than the sum of its proper divisors (79317223).

4024420121 is a wasteful number, since it uses less digits than its factorization.

4024420121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4024420121 is about 63438.3174508908. The cubic root of 4024420121 is about 1590.6248774713.

Adding to 4024420121 its reverse (1210244204), we get a palindrome (5234664325).

The spelling of 4024420121 in words is "four billion, twenty-four million, four hundred twenty thousand, one hundred twenty-one".