1226102651 has 2 divisors, whose sum is σ = 1226102652. Its totient is φ = 1226102650.

The previous prime is 1226102609. The next prime is 1226102701. The reversal of 1226102651 is 1562016221.

It is a weak prime.

It is an emirp because it is prime and its reverse (1562016221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226102651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1226102651.

It is not a weakly prime, because it can be changed into another prime (1226102051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613051325 + 613051326.

It is an arithmetic number, because the mean of its divisors is an integer number (613051326).

Almost surely, 2^1226102651 is an apocalyptic number.

1226102651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226102651 is an equidigital number, since it uses as much as digits as its factorization.

1226102651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1226102651 is about 35015.7486140165. The cubic root of 1226102651 is about 1070.3084244962.

Adding to 1226102651 its reverse (1562016221), we get a palindrome (2788118872).

The spelling of 1226102651 in words is "one billion, two hundred twenty-six million, one hundred two thousand, six hundred fifty-one".