1124225251 has 2 divisors, whose sum is σ = 1124225252. Its totient is φ = 1124225250.

The previous prime is 1124225213. The next prime is 1124225273. The reversal of 1124225251 is 1525224211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1124225251 - 2²¹ = 1122128099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1124222251) 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, 562112625 + 562112626.

It is an arithmetic number, because the mean of its divisors is an integer number (562112626).

Almost surely, 2^1124225251 is an apocalyptic number.

1124225251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124225251 is an equidigital number, since it uses as much as digits as its factorization.

1124225251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600, while the sum is 25.

The square root of 1124225251 is about 33529.4683972174. The cubic root of 1124225251 is about 1039.8031096087.

Adding to 1124225251 its reverse (1525224211), we get a palindrome (2649449462).

The spelling of 1124225251 in words is "one billion, one hundred twenty-four million, two hundred twenty-five thousand, two hundred fifty-one".