1117100027 has 4 divisors (see below), whose sum is σ = 1138177440. Its totient is φ = 1096022616.

The previous prime is 1117099999. The next prime is 1117100029. The reversal of 1117100027 is 7200017111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1117100027 - 2¹⁰ = 1117099003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117099981 and 1117100008.

It is not an unprimeable number, because it can be changed into a prime (1117100029) 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, 10538627 + ... + 10538732.

It is an arithmetic number, because the mean of its divisors is an integer number (284544360).

Almost surely, 2^1117100027 is an apocalyptic number.

1117100027 is a deficient number, since it is larger than the sum of its proper divisors (21077413).

1117100027 is an equidigital number, since it uses as much as digits as its factorization.

1117100027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21077412.

The product of its (nonzero) digits is 98, while the sum is 20.

The square root of 1117100027 is about 33423.0463452989. The cubic root of 1117100027 is about 1037.6017306159.

Adding to 1117100027 its reverse (7200017111), we get a palindrome (8317117138).

The spelling of 1117100027 in words is "one billion, one hundred seventeen million, one hundred thousand, twenty-seven".