4350121 has 2 divisors, whose sum is σ = 4350122. Its totient is φ = 4350120.

The previous prime is 4350119. The next prime is 4350133. The reversal of 4350121 is 1210534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4247721 + 102400 = 2061^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 4350121 - 2¹ = 4350119 is a prime.

Together with 4350119, it forms a pair of twin primes.

4350121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4350095 and 4350104.

It is not a weakly prime, because it can be changed into another prime (4350421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2175060 + 2175061.

It is an arithmetic number, because the mean of its divisors is an integer number (2175061).

Almost surely, 2^4350121 is an apocalyptic number.

It is an amenable number.

4350121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4350121 is an equidigital number, since it uses as much as digits as its factorization.

4350121 is an evil number, because the sum of its binary digits is even.

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

The square root of 4350121 is about 2085.6943687894. The cubic root of 4350121 is about 163.2427036662.

Adding to 4350121 its reverse (1210534), we get a palindrome (5560655).

The spelling of 4350121 in words is "four million, three hundred fifty thousand, one hundred twenty-one".