432915121 has 2 divisors, whose sum is σ = 432915122. Its totient is φ = 432915120.

The previous prime is 432915107. The next prime is 432915127. The reversal of 432915121 is 121519234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302064400 + 130850721 = 17380^2 + 11439^2 .

It is a cyclic number.

It is not a de Polignac number, because 432915121 - 2⁵ = 432915089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 432915121.

It is not a weakly prime, because it can be changed into another prime (432915127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216457560 + 216457561.

It is an arithmetic number, because the mean of its divisors is an integer number (216457561).

Almost surely, 2^432915121 is an apocalyptic number.

It is an amenable number.

432915121 is a deficient number, since it is larger than the sum of its proper divisors (1).

432915121 is an equidigital number, since it uses as much as digits as its factorization.

432915121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 432915121 is about 20806.6124345123. The cubic root of 432915121 is about 756.4860406012.

The spelling of 432915121 in words is "four hundred thirty-two million, nine hundred fifteen thousand, one hundred twenty-one".