424122121 has 8 divisors (see below), whose sum is σ = 434536704. Its totient is φ = 413831040.

The previous prime is 424122091. The next prime is 424122131. The reversal of 424122121 is 121221424.

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 424122121 - 2¹³ = 424113929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424122131) 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, 23905 + ... + 37678.

It is an arithmetic number, because the mean of its divisors is an integer number (54317088).

Almost surely, 2^424122121 is an apocalyptic number.

It is an amenable number.

424122121 is a deficient number, since it is larger than the sum of its proper divisors (10414583).

424122121 is an equidigital number, since it uses as much as digits as its factorization.

424122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61751.

The product of its digits is 256, while the sum is 19.

The square root of 424122121 is about 20594.2254285030. The cubic root of 424122121 is about 751.3292699227.

Adding to 424122121 its reverse (121221424), we get a palindrome (545343545).

It can be divided in two parts, 4241 and 22121, that added together give a palindrome (26362).

The spelling of 424122121 in words is "four hundred twenty-four million, one hundred twenty-two thousand, one hundred twenty-one".