1424243421 has 48 divisors (see below), whose sum is σ = 2196155520. Its totient is φ = 887483520.

The previous prime is 1424243417. The next prime is 1424243423. The reversal of 1424243421 is 1243424241.

It is not a de Polignac number, because 1424243421 - 2² = 1424243417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424243423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3382791 + ... + 3383211.

It is an arithmetic number, because the mean of its divisors is an integer number (45753240).

Almost surely, 2^1424243421 is an apocalyptic number.

It is an amenable number.

1424243421 is a deficient number, since it is larger than the sum of its proper divisors (771912099).

1424243421 is a wasteful number, since it uses less digits than its factorization.

1424243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 783 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1424243421 is about 37739.1497122020. The cubic root of 1424243421 is about 1125.1093677378.

Adding to 1424243421 its reverse (1243424241), we get a palindrome (2667667662).

The spelling of 1424243421 in words is "one billion, four hundred twenty-four million, two hundred forty-three thousand, four hundred twenty-one".