1021227299 has 2 divisors, whose sum is σ = 1021227300. Its totient is φ = 1021227298.

The previous prime is 1021227271. The next prime is 1021227323. The reversal of 1021227299 is 9927221201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021227299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021227239) 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, 510613649 + 510613650.

It is an arithmetic number, because the mean of its divisors is an integer number (510613650).

Almost surely, 2^1021227299 is an apocalyptic number.

1021227299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021227299 is an equidigital number, since it uses as much as digits as its factorization.

1021227299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1021227299 is about 31956.6471802034. The cubic root of 1021227299 is about 1007.0262820676.

The spelling of 1021227299 in words is "one billion, twenty-one million, two hundred twenty-seven thousand, two hundred ninety-nine".