1000121224 has 8 divisors (see below), whose sum is σ = 1875227310. Its totient is φ = 500060608.

The previous prime is 1000121197. The next prime is 1000121257. The reversal of 1000121224 is 4221210001.

It is a happy number.

1000121224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 784560100 + 215561124 = 28010^2 + 14682^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62507569 + ... + 62507584.

Almost surely, 2^1000121224 is an apocalyptic number.

It is an amenable number.

1000121224 is a deficient number, since it is larger than the sum of its proper divisors (875106086).

1000121224 is a wasteful number, since it uses less digits than its factorization.

1000121224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125015159 (or 125015155 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1000121224 is about 31624.6932633346. The cubic root of 1000121224 is about 1000.0404063673.

Adding to 1000121224 its reverse (4221210001), we get a palindrome (5221331225).

The spelling of 1000121224 in words is "one billion, one hundred twenty-one thousand, two hundred twenty-four".