1124000221 has 2 divisors, whose sum is σ = 1124000222. Its totient is φ = 1124000220.

The previous prime is 1124000173. The next prime is 1124000321. The reversal of 1124000221 is 1220004211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 597802500 + 526197721 = 24450^2 + 22939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1124000221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124000321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562000110 + 562000111.

It is an arithmetic number, because the mean of its divisors is an integer number (562000111).

Almost surely, 2^1124000221 is an apocalyptic number.

It is an amenable number.

1124000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124000221 is an equidigital number, since it uses as much as digits as its factorization.

1124000221 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1124000221 is about 33526.1125244189. The cubic root of 1124000221 is about 1039.7337277515.

Adding to 1124000221 its reverse (1220004211), we get a palindrome (2344004432).

The spelling of 1124000221 in words is "one billion, one hundred twenty-four million, two hundred twenty-one", and thus it is an aban number.