1117309917 has 8 divisors (see below), whose sum is σ = 1489900960. Its totient is φ = 744796080.

The previous prime is 1117309913. The next prime is 1117309931. The reversal of 1117309917 is 7199037111.

1117309917 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1117309917 - 2² = 1117309913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117309913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47442 + ... + 66972.

It is an arithmetic number, because the mean of its divisors is an integer number (186237620).

Almost surely, 2^1117309917 is an apocalyptic number.

It is an amenable number.

1117309917 is a deficient number, since it is larger than the sum of its proper divisors (372591043).

1117309917 is a wasteful number, since it uses less digits than its factorization.

1117309917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38603.

The product of its (nonzero) digits is 11907, while the sum is 39.

The square root of 1117309917 is about 33426.1860971305. The cubic root of 1117309917 is about 1037.6667109471. Note that the first 3 decimals are identical.

The spelling of 1117309917 in words is "one billion, one hundred seventeen million, three hundred nine thousand, nine hundred seventeen".