432121401 has 12 divisors (see below), whose sum is σ = 651313728. Its totient is φ = 275555544.

The previous prime is 432121387. The next prime is 432121411. The reversal of 432121401 is 104121234.

It is not a de Polignac number, because 432121401 - 2¹¹ = 432119353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (432121411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1043565 + ... + 1043978.

It is an arithmetic number, because the mean of its divisors is an integer number (54276144).

Almost surely, 2^432121401 is an apocalyptic number.

It is an amenable number.

432121401 is a deficient number, since it is larger than the sum of its proper divisors (219192327).

432121401 is a wasteful number, since it uses less digits than its factorization.

432121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087572 (or 2087569 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 432121401 is about 20787.5299398461. The cubic root of 432121401 is about 756.0234361173.

Adding to 432121401 its reverse (104121234), we get a palindrome (536242635).

The spelling of 432121401 in words is "four hundred thirty-two million, one hundred twenty-one thousand, four hundred one".