4506121 has 2 divisors, whose sum is σ = 4506122. Its totient is φ = 4506120.

The previous prime is 4506109. The next prime is 4506127. The reversal of 4506121 is 1216054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 2134521 = 1540^2 + 1461^2 .

It is a cyclic number.

It is not a de Polignac number, because 4506121 - 2⁷ = 4505993 is a prime.

It is a Chen prime.

4506121 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4506127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2253060 + 2253061.

It is an arithmetic number, because the mean of its divisors is an integer number (2253061).

Almost surely, 2^4506121 is an apocalyptic number.

It is an amenable number.

4506121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4506121 is an equidigital number, since it uses as much as digits as its factorization.

4506121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 4506121 is about 2122.7625868194. The cubic root of 4506121 is about 165.1711844438.

The spelling of 4506121 in words is "four million, five hundred six thousand, one hundred twenty-one".