1124222251 has 2 divisors, whose sum is σ = 1124222252. Its totient is φ = 1124222250.

The previous prime is 1124222243. The next prime is 1124222261. The reversal of 1124222251 is 1522224211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1522224211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1124222251 - 2³ = 1124222243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1124222261) 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 as a sum of consecutive naturals, namely, 562111125 + 562111126.

It is an arithmetic number, because the mean of its divisors is an integer number (562111126).

Almost surely, 2^1124222251 is an apocalyptic number.

1124222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124222251 is an equidigital number, since it uses as much as digits as its factorization.

1124222251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 22.

The square root of 1124222251 is about 33529.4236604210. The cubic root of 1124222251 is about 1039.8021847015.

Adding to 1124222251 its reverse (1522224211), we get a palindrome (2646446462).

The spelling of 1124222251 in words is "one billion, one hundred twenty-four million, two hundred twenty-two thousand, two hundred fifty-one".