432856121 has 2 divisors, whose sum is σ = 432856122. Its totient is φ = 432856120.

The previous prime is 432856111. The next prime is 432856129. The reversal of 432856121 is 121658234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286929721 + 145926400 = 16939^2 + 12080^2 .

It is a cyclic number.

It is not a de Polignac number, because 432856121 - 2¹⁰ = 432855097 is a prime.

It is not a weakly prime, because it can be changed into another prime (432856129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216428060 + 216428061.

It is an arithmetic number, because the mean of its divisors is an integer number (216428061).

Almost surely, 2^432856121 is an apocalyptic number.

It is an amenable number.

432856121 is a deficient number, since it is larger than the sum of its proper divisors (1).

432856121 is an equidigital number, since it uses as much as digits as its factorization.

432856121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 432856121 is about 20805.1945677035. The cubic root of 432856121 is about 756.4516730451.

The spelling of 432856121 in words is "four hundred thirty-two million, eight hundred fifty-six thousand, one hundred twenty-one".