1424134221 has 16 divisors (see below), whose sum is σ = 1981869120. Its totient is φ = 908785280.

The previous prime is 1424134219. The next prime is 1424134237. The reversal of 1424134221 is 1224314241.

It is a cyclic number.

It is not a de Polignac number, because 1424134221 - 2¹ = 1424134219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1424134191 and 1424134200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424134241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102711 + ... + 115748.

It is an arithmetic number, because the mean of its divisors is an integer number (123866820).

Almost surely, 2^1424134221 is an apocalyptic number.

It is an amenable number.

1424134221 is a deficient number, since it is larger than the sum of its proper divisors (557734899).

1424134221 is a wasteful number, since it uses less digits than its factorization.

1424134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218556.

The product of its digits is 1536, while the sum is 24.

The square root of 1424134221 is about 37737.7029110146. The cubic root of 1424134221 is about 1125.0806121001.

Adding to 1424134221 its reverse (1224314241), we get a palindrome (2648448462).

The spelling of 1424134221 in words is "one billion, four hundred twenty-four million, one hundred thirty-four thousand, two hundred twenty-one".