1421434424 has 16 divisors (see below), whose sum is σ = 2667048120. Its totient is φ = 710221600.

The previous prime is 1421434393. The next prime is 1421434429. The reversal of 1421434424 is 4244341241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421434429) 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, 49619 + ... + 72834.

Almost surely, 2^1421434424 is an apocalyptic number.

It is an amenable number.

1421434424 is a deficient number, since it is larger than the sum of its proper divisors (1245613696).

1421434424 is a wasteful number, since it uses less digits than its factorization.

1421434424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123910 (or 123906 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 1421434424 is about 37701.9153890091. The cubic root of 1421434424 is about 1124.3692066074.

Adding to 1421434424 its reverse (4244341241), we get a palindrome (5665775665).

The spelling of 1421434424 in words is "one billion, four hundred twenty-one million, four hundred thirty-four thousand, four hundred twenty-four".