1117308173 has 6 divisors (see below), whose sum is σ = 1143898254. Its totient is φ = 1091322456.

The previous prime is 1117308151. The next prime is 1117308223. The reversal of 1117308173 is 3718037111.

It can be written as a sum of positive squares in only one way, i.e., 736199689 + 381108484 = 27133^2 + 19522^2 .

It is not a de Polignac number, because 1117308173 - 2⁶ = 1117308109 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 (1117308373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300290 + ... + 303987.

It is an arithmetic number, because the mean of its divisors is an integer number (190649709).

Almost surely, 2^1117308173 is an apocalyptic number.

It is an amenable number.

1117308173 is a deficient number, since it is larger than the sum of its proper divisors (26590081).

1117308173 is an frugal number, since it uses more digits than its factorization.

1117308173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604363 (or 604320 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 1117308173 is about 33426.1600097887. The cubic root of 1117308173 is about 1037.6661710516. Note that the first 3 decimals are identical.

The spelling of 1117308173 in words is "one billion, one hundred seventeen million, three hundred eight thousand, one hundred seventy-three".