1424413021 has 4 divisors (see below), whose sum is σ = 1459154844. Its totient is φ = 1389671200.

The previous prime is 1424413019. The next prime is 1424413037. The reversal of 1424413021 is 1203144241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147136900 + 1277276121 = 12130^2 + 35739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424413021 - 2¹ = 1424413019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1424412983 and 1424413001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424410021) 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, 17370850 + ... + 17370931.

It is an arithmetic number, because the mean of its divisors is an integer number (364788711).

Almost surely, 2^1424413021 is an apocalyptic number.

It is an amenable number.

1424413021 is a deficient number, since it is larger than the sum of its proper divisors (34741823).

1424413021 is an equidigital number, since it uses as much as digits as its factorization.

1424413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34741822.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1424413021 is about 37741.3966487728. The cubic root of 1424413021 is about 1125.1540255943.

Adding to 1424413021 its reverse (1203144241), we get a palindrome (2627557262).

The spelling of 1424413021 in words is "one billion, four hundred twenty-four million, four hundred thirteen thousand, twenty-one".