1099048243 has 2 divisors, whose sum is σ = 1099048244. Its totient is φ = 1099048242.

The previous prime is 1099048241. The next prime is 1099048271. The reversal of 1099048243 is 3428409901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1099048243 - 2¹ = 1099048241 is a prime.

Together with 1099048241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1099048196 and 1099048205.

It is not a weakly prime, because it can be changed into another prime (1099048241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549524121 + 549524122.

It is an arithmetic number, because the mean of its divisors is an integer number (549524122).

Almost surely, 2^1099048243 is an apocalyptic number.

1099048243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099048243 is an equidigital number, since it uses as much as digits as its factorization.

1099048243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1099048243 is about 33151.8965219186. The cubic root of 1099048243 is about 1031.9823083896.

The spelling of 1099048243 in words is "one billion, ninety-nine million, forty-eight thousand, two hundred forty-three".