242998099 has 2 divisors, whose sum is σ = 242998100. Its totient is φ = 242998098.

The previous prime is 242998097. The next prime is 242998159. The reversal of 242998099 is 990899242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242998099 - 2¹ = 242998097 is a prime.

It is a super-2 number, since 2×242998099² = 118096152235227602, which contains 22 as substring.

Together with 242998097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242998097) 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, 121499049 + 121499050.

It is an arithmetic number, because the mean of its divisors is an integer number (121499050).

Almost surely, 2^242998099 is an apocalyptic number.

242998099 is a deficient number, since it is larger than the sum of its proper divisors (1).

242998099 is an equidigital number, since it uses as much as digits as its factorization.

242998099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 242998099 is about 15588.3962933972. The cubic root of 242998099 is about 624.0235196523.

The spelling of 242998099 in words is "two hundred forty-two million, nine hundred ninety-eight thousand, ninety-nine".