1226449151 has 2 divisors, whose sum is σ = 1226449152. Its totient is φ = 1226449150.

The previous prime is 1226449141. The next prime is 1226449181. The reversal of 1226449151 is 1519446221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226449151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226449141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613224575 + 613224576.

It is an arithmetic number, because the mean of its divisors is an integer number (613224576).

Almost surely, 2^1226449151 is an apocalyptic number.

1226449151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226449151 is an equidigital number, since it uses as much as digits as its factorization.

1226449151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 1226449151 is about 35020.6960382000. The cubic root of 1226449151 is about 1070.4092390403.

The spelling of 1226449151 in words is "one billion, two hundred twenty-six million, four hundred forty-nine thousand, one hundred fifty-one".