1126263251 has 2 divisors, whose sum is σ = 1126263252. Its totient is φ = 1126263250.

The previous prime is 1126263223. The next prime is 1126263283. The reversal of 1126263251 is 1523626211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1126263251 - 2¹⁰ = 1126262227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126263211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563131625 + 563131626.

It is an arithmetic number, because the mean of its divisors is an integer number (563131626).

Almost surely, 2^1126263251 is an apocalyptic number.

1126263251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126263251 is an equidigital number, since it uses as much as digits as its factorization.

1126263251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 1126263251 is about 33559.8458131142. The cubic root of 1126263251 is about 1040.4310500527.

Adding to 1126263251 its reverse (1523626211), we get a palindrome (2649889462).

The spelling of 1126263251 in words is "one billion, one hundred twenty-six million, two hundred sixty-three thousand, two hundred fifty-one".