1421443132 has 12 divisors (see below), whose sum is σ = 2487861376. Its totient is φ = 710625600.

The previous prime is 1421443087. The next prime is 1421443139. The reversal of 1421443132 is 2313441241.

It is a junction number, because it is equal to n+sod(n) for n = 1421443097 and 1421443106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421443139) 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 3 ways as a sum of consecutive naturals, for example, 17188 + ... + 56020.

Almost surely, 2^1421443132 is an apocalyptic number.

It is an amenable number.

1421443132 is a deficient number, since it is larger than the sum of its proper divisors (1066418244).

1421443132 is a wasteful number, since it uses less digits than its factorization.

1421443132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47988 (or 47986 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1421443132 is about 37702.0308736811. The cubic root of 1421443132 is about 1124.3715026418.

Adding to 1421443132 its reverse (2313441241), we get a palindrome (3734884373).

The spelling of 1421443132 in words is "one billion, four hundred twenty-one million, four hundred forty-three thousand, one hundred thirty-two".