1221233032 has 8 divisors (see below), whose sum is σ = 2289811950. Its totient is φ = 610616512.

The previous prime is 1221233023. The next prime is 1221233059. The reversal of 1221233032 is 2303321221.

It can be written as a sum of positive squares in only one way, i.e., 769840516 + 451392516 = 27746^2 + 21246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76327057 + ... + 76327072.

Almost surely, 2^1221233032 is an apocalyptic number.

It is an amenable number.

1221233032 is a deficient number, since it is larger than the sum of its proper divisors (1068578918).

1221233032 is a wasteful number, since it uses less digits than its factorization.

1221233032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152654135 (or 152654131 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1221233032 is about 34946.1447372954. The cubic root of 1221233032 is about 1068.8895901846.

Adding to 1221233032 its reverse (2303321221), we get a palindrome (3524554253).

The spelling of 1221233032 in words is "one billion, two hundred twenty-one million, two hundred thirty-three thousand, thirty-two".