121204444 has 24 divisors (see below), whose sum is σ = 219220848. Its totient is φ = 58598400.

The previous prime is 121204423. The next prime is 121204453. The reversal of 121204444 is 444402121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13884 + ... + 20860.

It is an arithmetic number, because the mean of its divisors is an integer number (9134202).

Almost surely, 2^121204444 is an apocalyptic number.

It is an amenable number.

121204444 is a deficient number, since it is larger than the sum of its proper divisors (98016404).

121204444 is a wasteful number, since it uses less digits than its factorization.

121204444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125 (or 7123 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 121204444 is about 11009.2889870327. The cubic root of 121204444 is about 494.8871544962.

Adding to 121204444 its reverse (444402121), we get a palindrome (565606565).

The spelling of 121204444 in words is "one hundred twenty-one million, two hundred four thousand, four hundred forty-four".