430121 has 2 divisors, whose sum is σ = 430122. Its totient is φ = 430120.

The previous prime is 430093. The next prime is 430139. The reversal of 430121 is 121034.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403225 + 26896 = 635^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 430121 - 2⁶ = 430057 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430921) 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, 215060 + 215061.

It is an arithmetic number, because the mean of its divisors is an integer number (215061).

2⁴³⁰¹²¹ is an apocalyptic number.

It is an amenable number.

430121 is a deficient number, since it is larger than the sum of its proper divisors (1).

430121 is an equidigital number, since it uses as much as digits as its factorization.

430121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 430121 is about 655.8361075757. The cubic root of 430121 is about 75.4855022380.

Adding to 430121 its reverse (121034), we get a palindrome (551155).

The spelling of 430121 in words is "four hundred thirty thousand, one hundred twenty-one".