424113121 has 4 divisors (see below), whose sum is σ = 424157872. Its totient is φ = 424068372.

The previous prime is 424113119. The next prime is 424113167. The reversal of 424113121 is 121311424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 424113121 - 2¹ = 424113119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424173121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935 + ... + 29188.

It is an arithmetic number, because the mean of its divisors is an integer number (106039468).

Almost surely, 2^424113121 is an apocalyptic number.

It is an amenable number.

424113121 is a deficient number, since it is larger than the sum of its proper divisors (44751).

424113121 is a wasteful number, since it uses less digits than its factorization.

424113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44750.

The product of its digits is 192, while the sum is 19.

The square root of 424113121 is about 20594.0069194900. The cubic root of 424113121 is about 751.3239554068.

Adding to 424113121 its reverse (121311424), we get a palindrome (545424545).

The spelling of 424113121 in words is "four hundred twenty-four million, one hundred thirteen thousand, one hundred twenty-one".