1117939049 has 2 divisors, whose sum is σ = 1117939050. Its totient is φ = 1117939048.

The previous prime is 1117939001. The next prime is 1117939051. The reversal of 1117939049 is 9409397111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113423424 + 4515625 = 33368^2 + 2125^2 .

It is an emirp because it is prime and its reverse (9409397111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1117939049 - 2¹⁶ = 1117873513 is a prime.

Together with 1117939051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1117939099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558969524 + 558969525.

It is an arithmetic number, because the mean of its divisors is an integer number (558969525).

Almost surely, 2^1117939049 is an apocalyptic number.

It is an amenable number.

1117939049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117939049 is an equidigital number, since it uses as much as digits as its factorization.

1117939049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 1117939049 is about 33435.5955382882. The cubic root of 1117939049 is about 1037.8614366391.

The spelling of 1117939049 in words is "one billion, one hundred seventeen million, nine hundred thirty-nine thousand, forty-nine".