1117487803 has 4 divisors (see below), whose sum is σ = 1117717488. Its totient is φ = 1117258120.

The previous prime is 1117487753. The next prime is 1117487851. The reversal of 1117487803 is 3087847111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3087847111 = 19 ⋅162518269.

It is a cyclic number.

It is not a de Polignac number, because 1117487803 - 2⁹ = 1117487291 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117487863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107383 + ... + 117328.

It is an arithmetic number, because the mean of its divisors is an integer number (279429372).

Almost surely, 2^1117487803 is an apocalyptic number.

1117487803 is a deficient number, since it is larger than the sum of its proper divisors (229685).

1117487803 is an equidigital number, since it uses as much as digits as its factorization.

1117487803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229684.

The product of its (nonzero) digits is 37632, while the sum is 40.

The square root of 1117487803 is about 33428.8468691338. The cubic root of 1117487803 is about 1037.7217767149.

The spelling of 1117487803 in words is "one billion, one hundred seventeen million, four hundred eighty-seven thousand, eight hundred three".