1117487219 has 2 divisors, whose sum is σ = 1117487220. Its totient is φ = 1117487218.

The previous prime is 1117487213. The next prime is 1117487257. The reversal of 1117487219 is 9127847111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1117487219 is a prime.

It is a super-2 number, since 2×1117487219² = 2497555369256707922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1117487213) 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, 558743609 + 558743610.

It is an arithmetic number, because the mean of its divisors is an integer number (558743610).

Almost surely, 2^1117487219 is an apocalyptic number.

1117487219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117487219 is an equidigital number, since it uses as much as digits as its factorization.

1117487219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 41.

The square root of 1117487219 is about 33428.8381341619. The cubic root of 1117487219 is about 1037.7215959435.

The spelling of 1117487219 in words is "one billion, one hundred seventeen million, four hundred eighty-seven thousand, two hundred nineteen".