1117969345 has 8 divisors (see below), whose sum is σ = 1374284520. Its totient is φ = 872561280.

The previous prime is 1117969301. The next prime is 1117969361. The reversal of 1117969345 is 5439697111.

It can be written as a sum of positive squares in 4 ways, for example, as 3249 + 1117966096 = 57^2 + 33436^2 .

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

It is not a de Polignac number, because 1117969345 - 2⁹ = 1117968833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1117969295 and 1117969304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726550 + ... + 2726959.

It is an arithmetic number, because the mean of its divisors is an integer number (171785565).

Almost surely, 2^1117969345 is an apocalyptic number.

It is an amenable number.

1117969345 is a deficient number, since it is larger than the sum of its proper divisors (256315175).

1117969345 is an equidigital number, since it uses as much as digits as its factorization.

1117969345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453555.

The product of its digits is 204120, while the sum is 46.

The square root of 1117969345 is about 33436.0485853218. The cubic root of 1117969345 is about 1037.8708118568.

The spelling of 1117969345 in words is "one billion, one hundred seventeen million, nine hundred sixty-nine thousand, three hundred forty-five".