1117238345 has 16 divisors (see below), whose sum is σ = 1360229760. Its totient is φ = 880852224.

The previous prime is 1117238327. The next prime is 1117238359. The reversal of 1117238345 is 5438327111.

1117238345 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1117238345 - 2¹⁴ = 1117221961 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95612 + ... + 106658.

It is an arithmetic number, because the mean of its divisors is an integer number (85014360).

Almost surely, 2^1117238345 is an apocalyptic number.

It is an amenable number.

1117238345 is a deficient number, since it is larger than the sum of its proper divisors (242991415).

1117238345 is a wasteful number, since it uses less digits than its factorization.

1117238345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11344.

The product of its digits is 20160, while the sum is 35.

The square root of 1117238345 is about 33425.1154822238. The cubic root of 1117238345 is about 1037.6445537203.

The spelling of 1117238345 in words is "one billion, one hundred seventeen million, two hundred thirty-eight thousand, three hundred forty-five".