1424133421 has 12 divisors (see below), whose sum is σ = 1495203892. Its totient is φ = 1356130944.

The previous prime is 1424133413. The next prime is 1424133427. The reversal of 1424133421 is 1243314241.

It can be written as a sum of positive squares in 6 ways, for example, as 104264521 + 1319868900 = 10211^2 + 36330^2 .

It is not a de Polignac number, because 1424133421 - 2³ = 1424133413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424133427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49795 + ... + 72991.

Almost surely, 2^1424133421 is an apocalyptic number.

It is an amenable number.

1424133421 is a deficient number, since it is larger than the sum of its proper divisors (71070471).

1424133421 is an equidigital number, since it uses as much as digits as its factorization.

1424133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23328 (or 23299 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1424133421 is about 37737.6923115338. The cubic root of 1424133421 is about 1125.0804014307.

Adding to 1424133421 its reverse (1243314241), we get a palindrome (2667447662).

The spelling of 1424133421 in words is "one billion, four hundred twenty-four million, one hundred thirty-three thousand, four hundred twenty-one".