1227730799 has 2 divisors, whose sum is σ = 1227730800. Its totient is φ = 1227730798.

The previous prime is 1227730787. The next prime is 1227730813. The reversal of 1227730799 is 9970377221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1227730799 - 2²⁸ = 959295343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227730709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613865399 + 613865400.

It is an arithmetic number, because the mean of its divisors is an integer number (613865400).

Almost surely, 2^1227730799 is an apocalyptic number.

1227730799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227730799 is an equidigital number, since it uses as much as digits as its factorization.

1227730799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 47.

The square root of 1227730799 is about 35038.9896971930. The cubic root of 1227730799 is about 1070.7819709656.

The spelling of 1227730799 in words is "one billion, two hundred twenty-seven million, seven hundred thirty thousand, seven hundred ninety-nine".