1421431024 has 20 divisors (see below), whose sum is σ = 2965870936. Its totient is φ = 656044992.

The previous prime is 1421430991. The next prime is 1421431069. The reversal of 1421431024 is 4201341241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1421430986 and 1421431004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416694 + ... + 3417109.

Almost surely, 2^1421431024 is an apocalyptic number.

It is an amenable number.

1421431024 is an abundant number, since it is smaller than the sum of its proper divisors (1544439912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421431024 is a wasteful number, since it uses less digits than its factorization.

1421431024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833824 (or 6833818 counting only the distinct ones).

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

The square root of 1421431024 is about 37701.8702984348. The cubic root of 1421431024 is about 1124.3683101284.

Adding to 1421431024 its reverse (4201341241), we get a palindrome (5622772265).

The spelling of 1421431024 in words is "one billion, four hundred twenty-one million, four hundred thirty-one thousand, twenty-four".