4035121 has 2 divisors, whose sum is σ = 4035122. Its totient is φ = 4035120.

The previous prime is 4035113. The next prime is 4035131. The reversal of 4035121 is 1215304.

4035121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 664225 = 1836^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 4035121 - 2³ = 4035113 is a prime.

4035121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4035095 and 4035104.

It is not a weakly prime, because it can be changed into another prime (4035131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2017560 + 2017561.

It is an arithmetic number, because the mean of its divisors is an integer number (2017561).

Almost surely, 2^4035121 is an apocalyptic number.

It is an amenable number.

4035121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4035121 is an equidigital number, since it uses as much as digits as its factorization.

4035121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4035121 is about 2008.7610609527. The cubic root of 4035121 is about 159.2033446475.

The spelling of 4035121 in words is "four million, thirty-five thousand, one hundred twenty-one".