1421123224 has 16 divisors (see below), whose sum is σ = 2665917720. Its totient is φ = 710211840.

The previous prime is 1421123219. The next prime is 1421123233. The reversal of 1421123224 is 4223211241.

It is a junction number, because it is equal to n+sod(n) for n = 1421123195 and 1421123204.

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, 26034 + ... + 59329.

Almost surely, 2^1421123224 is an apocalyptic number.

It is an amenable number.

1421123224 is a deficient number, since it is larger than the sum of its proper divisors (1244794496).

1421123224 is a wasteful number, since it uses less digits than its factorization.

1421123224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87450 (or 87446 counting only the distinct ones).

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

The square root of 1421123224 is about 37697.7880518208. The cubic root of 1421123224 is about 1124.2871464880.

Adding to 1421123224 its reverse (4223211241), we get a palindrome (5644334465).

The spelling of 1421123224 in words is "one billion, four hundred twenty-one million, one hundred twenty-three thousand, two hundred twenty-four".