1424313021 has 4 divisors (see below), whose sum is σ = 1899084032. Its totient is φ = 949542012.

The previous prime is 1424312977. The next prime is 1424313049. The reversal of 1424313021 is 1203134241.

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.

It is not a de Polignac number, because 1424313021 - 2⁷ = 1424312893 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 (1424313721) 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 3 ways as a sum of consecutive naturals, for example, 237385501 + ... + 237385506.

It is an arithmetic number, because the mean of its divisors is an integer number (474771008).

Almost surely, 2^1424313021 is an apocalyptic number.

It is an amenable number.

1424313021 is a deficient number, since it is larger than the sum of its proper divisors (474771011).

1424313021 is an equidigital number, since it uses as much as digits as its factorization.

1424313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474771010.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1424313021 is about 37740.0718202814. The cubic root of 1424313021 is about 1125.1276947398.

Adding to 1424313021 its reverse (1203134241), we get a palindrome (2627447262).

The spelling of 1424313021 in words is "one billion, four hundred twenty-four million, three hundred thirteen thousand, twenty-one".