1224170099 has 2 divisors, whose sum is σ = 1224170100. Its totient is φ = 1224170098.

The previous prime is 1224170089. The next prime is 1224170111. The reversal of 1224170099 is 9900714221.

It is a weak prime.

It is an emirp because it is prime and its reverse (9900714221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1224170099 - 2¹² = 1224166003 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1224170089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612085049 + 612085050.

It is an arithmetic number, because the mean of its divisors is an integer number (612085050).

Almost surely, 2^1224170099 is an apocalyptic number.

1224170099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224170099 is an equidigital number, since it uses as much as digits as its factorization.

1224170099 is an evil number, because the sum of its binary digits is even.

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

The square root of 1224170099 is about 34988.1422627724. The cubic root of 1224170099 is about 1069.7457977670.

The spelling of 1224170099 in words is "one billion, two hundred twenty-four million, one hundred seventy thousand, ninety-nine".