1170116203 has 4 divisors (see below), whose sum is σ = 1170678960. Its totient is φ = 1169553448.

The previous prime is 1170116131. The next prime is 1170116291. The reversal of 1170116203 is 3026110711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3026110711 = 13 ⋅232777747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1170116203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1170116503) 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, 278248 + ... + 282421.

It is an arithmetic number, because the mean of its divisors is an integer number (292669740).

Almost surely, 2^1170116203 is an apocalyptic number.

1170116203 is a deficient number, since it is larger than the sum of its proper divisors (562757).

1170116203 is an equidigital number, since it uses as much as digits as its factorization.

1170116203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562756.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1170116203 is about 34206.9613236838. The cubic root of 1170116203 is about 1053.7631268842.

Adding to 1170116203 its reverse (3026110711), we get a palindrome (4196226914).

The spelling of 1170116203 in words is "one billion, one hundred seventy million, one hundred sixteen thousand, two hundred three".