4024121 has 4 divisors (see below), whose sum is σ = 4260852. Its totient is φ = 3787392.

The previous prime is 4024091. The next prime is 4024123. The reversal of 4024121 is 1214204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3024121 + 1000000 = 1739^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 4024121 - 2¹⁸ = 3761977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4024096 and 4024105.

It is not an unprimeable number, because it can be changed into a prime (4024123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118340 + ... + 118373.

It is an arithmetic number, because the mean of its divisors is an integer number (1065213).

Almost surely, 2^4024121 is an apocalyptic number.

It is an amenable number.

4024121 is a deficient number, since it is larger than the sum of its proper divisors (236731).

4024121 is a wasteful number, since it uses less digits than its factorization.

4024121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236730.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4024121 is about 2006.0211863288. The cubic root of 4024121 is about 159.0585467976.

Adding to 4024121 its reverse (1214204), we get a palindrome (5238325).

The spelling of 4024121 in words is "four million, twenty-four thousand, one hundred twenty-one".