432415121 has 2 divisors, whose sum is σ = 432415122. Its totient is φ = 432415120.

The previous prime is 432415117. The next prime is 432415163. The reversal of 432415121 is 121514234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425184400 + 7230721 = 20620^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 432415121 - 2² = 432415117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (432415021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216207560 + 216207561.

It is an arithmetic number, because the mean of its divisors is an integer number (216207561).

Almost surely, 2^432415121 is an apocalyptic number.

It is an amenable number.

432415121 is a deficient number, since it is larger than the sum of its proper divisors (1).

432415121 is an equidigital number, since it uses as much as digits as its factorization.

432415121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 432415121 is about 20794.5935521712. The cubic root of 432415121 is about 756.1946911626.

Adding to 432415121 its reverse (121514234), we get a palindrome (553929355).

The spelling of 432415121 in words is "four hundred thirty-two million, four hundred fifteen thousand, one hundred twenty-one".