424043121 has 32 divisors (see below), whose sum is σ = 633139200. Its totient is φ = 250871040.

The previous prime is 424043119. The next prime is 424043129. The reversal of 424043121 is 121340424.

It is not a de Polignac number, because 424043121 - 2¹ = 424043119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424043129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230676 + ... + 232506.

It is an arithmetic number, because the mean of its divisors is an integer number (19785600).

Almost surely, 2^424043121 is an apocalyptic number.

It is an amenable number.

424043121 is a deficient number, since it is larger than the sum of its proper divisors (209096079).

424043121 is a wasteful number, since it uses less digits than its factorization.

424043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 424043121 is about 20592.3073257952. The cubic root of 424043121 is about 751.2826177164.

Adding to 424043121 its reverse (121340424), we get a palindrome (545383545).

The spelling of 424043121 in words is "four hundred twenty-four million, forty-three thousand, one hundred twenty-one".