1200231444 has 24 divisors (see below), whose sum is σ = 2947937440. Its totient is φ = 379020384.

The previous prime is 1200231413. The next prime is 1200231449. The reversal of 1200231444 is 4441320021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200231444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200231449) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2631859 + ... + 2632314.

Almost surely, 2^1200231444 is an apocalyptic number.

It is an amenable number.

1200231444 is an abundant number, since it is smaller than the sum of its proper divisors (1747705996).

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

1200231444 is a wasteful number, since it uses less digits than its factorization.

1200231444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264199 (or 5264197 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1200231444 is about 34644.3565967099. The cubic root of 1200231444 is about 1062.7268831103.

Adding to 1200231444 its reverse (4441320021), we get a palindrome (5641551465).

The spelling of 1200231444 in words is "one billion, two hundred million, two hundred thirty-one thousand, four hundred forty-four".