424044121 has 2 divisors, whose sum is σ = 424044122. Its totient is φ = 424044120.

The previous prime is 424044097. The next prime is 424044167. The reversal of 424044121 is 121440424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321305625 + 102738496 = 17925^2 + 10136^2 .

It is a cyclic number.

It is not a de Polignac number, because 424044121 - 2¹³ = 424035929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424044092 and 424044101.

It is not a weakly prime, because it can be changed into another prime (424044191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212022060 + 212022061.

It is an arithmetic number, because the mean of its divisors is an integer number (212022061).

Almost surely, 2^424044121 is an apocalyptic number.

It is an amenable number.

424044121 is a deficient number, since it is larger than the sum of its proper divisors (1).

424044121 is an equidigital number, since it uses as much as digits as its factorization.

424044121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 424044121 is about 20592.3316066928. The cubic root of 424044121 is about 751.2832082869.

Adding to 424044121 its reverse (121440424), we get a palindrome (545484545).

The spelling of 424044121 in words is "four hundred twenty-four million, forty-four thousand, one hundred twenty-one".