1221463324 has 6 divisors (see below), whose sum is σ = 2137560824. Its totient is φ = 610731660.

The previous prime is 1221463283. The next prime is 1221463343. The reversal of 1221463324 is 4233641221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1221463292 and 1221463301.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 152682912 + ... + 152682919.

Almost surely, 2^1221463324 is an apocalyptic number.

It is an amenable number.

1221463324 is a deficient number, since it is larger than the sum of its proper divisors (916097500).

1221463324 is a wasteful number, since it uses less digits than its factorization.

1221463324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305365835 (or 305365833 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1221463324 is about 34949.4395377093. The cubic root of 1221463324 is about 1068.9567739909.

The spelling of 1221463324 in words is "one billion, two hundred twenty-one million, four hundred sixty-three thousand, three hundred twenty-four".