117109147 has 2 divisors, whose sum is σ = 117109148. Its totient is φ = 117109146.

The previous prime is 117109133. The next prime is 117109151. The reversal of 117109147 is 741901711.

It is a strong prime.

It is an emirp because it is prime and its reverse (741901711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117109147 - 2¹⁹ = 116584859 is a prime.

It is a super-2 number, since 2×117109147² = 27429104622135218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117109547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58554573 + 58554574.

It is an arithmetic number, because the mean of its divisors is an integer number (58554574).

Almost surely, 2^117109147 is an apocalyptic number.

117109147 is a deficient number, since it is larger than the sum of its proper divisors (1).

117109147 is an equidigital number, since it uses as much as digits as its factorization.

117109147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 31.

The square root of 117109147 is about 10821.6979721299. The cubic root of 117109147 is about 489.2493671413.

The spelling of 117109147 in words is "one hundred seventeen million, one hundred nine thousand, one hundred forty-seven".