1424035621 has 4 divisors (see below), whose sum is σ = 1445289952. Its totient is φ = 1402781292.

The previous prime is 1424035619. The next prime is 1424035643. The reversal of 1424035621 is 1265304241.

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 a cyclic number.

It is not a de Polignac number, because 1424035621 - 2¹ = 1424035619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1424035621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424035661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10627065 + ... + 10627198.

It is an arithmetic number, because the mean of its divisors is an integer number (361322488).

Almost surely, 2^1424035621 is an apocalyptic number.

It is an amenable number.

1424035621 is a deficient number, since it is larger than the sum of its proper divisors (21254331).

1424035621 is an equidigital number, since it uses as much as digits as its factorization.

1424035621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21254330.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1424035621 is about 37736.3965025809. The cubic root of 1424035621 is about 1125.0546464978.

Adding to 1424035621 its reverse (1265304241), we get a palindrome (2689339862).

The spelling of 1424035621 in words is "one billion, four hundred twenty-four million, thirty-five thousand, six hundred twenty-one".