4038121 has 2 divisors, whose sum is σ = 4038122. Its totient is φ = 4038120.

The previous prime is 4038113. The next prime is 4038161. The reversal of 4038121 is 1218304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 1413721 = 1620^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 4038121 - 2³ = 4038113 is a prime.

It is not a weakly prime, because it can be changed into another prime (4038161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019060 + 2019061.

It is an arithmetic number, because the mean of its divisors is an integer number (2019061).

Almost surely, 2^4038121 is an apocalyptic number.

It is an amenable number.

4038121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4038121 is an equidigital number, since it uses as much as digits as its factorization.

4038121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 4038121 is about 2009.5076511424. The cubic root of 4038121 is about 159.2427892903.

The spelling of 4038121 in words is "four million, thirty-eight thousand, one hundred twenty-one".