4305121 has 2 divisors, whose sum is σ = 4305122. Its totient is φ = 4305120.

The previous prime is 4305109. The next prime is 4305143. The reversal of 4305121 is 1215034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3900625 + 404496 = 1975^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 4305121 - 2⁹ = 4304609 is a prime.

4305121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4305095 and 4305104.

It is not a weakly prime, because it can be changed into another prime (4305101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2152560 + 2152561.

It is an arithmetic number, because the mean of its divisors is an integer number (2152561).

Almost surely, 2^4305121 is an apocalyptic number.

It is an amenable number.

4305121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4305121 is an equidigital number, since it uses as much as digits as its factorization.

4305121 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 4305121 is about 2074.8785506627. The cubic root of 4305121 is about 162.6778612701.

The spelling of 4305121 in words is "four million, three hundred five thousand, one hundred twenty-one".