424342121 has 8 divisors (see below), whose sum is σ = 490412160. Its totient is φ = 359634528.

The previous prime is 424342099. The next prime is 424342129. The reversal of 424342121 is 121243424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 424342121 - 2⁶ = 424342057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424342129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339941 + ... + 341186.

It is an arithmetic number, because the mean of its divisors is an integer number (61301520).

Almost surely, 2^424342121 is an apocalyptic number.

It is an amenable number.

424342121 is a deficient number, since it is larger than the sum of its proper divisors (66070039).

424342121 is an equidigital number, since it uses as much as digits as its factorization.

424342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681223.

The product of its digits is 1536, while the sum is 23.

The square root of 424342121 is about 20599.5660391184. The cubic root of 424342121 is about 751.4591569366.

Adding to 424342121 its reverse (121243424), we get a palindrome (545585545).

It can be divided in two parts, 4243 and 42121, that added together give a palindrome (46364).

The spelling of 424342121 in words is "four hundred twenty-four million, three hundred forty-two thousand, one hundred twenty-one".