117996105 has 32 divisors (see below), whose sum is σ = 192703104. Its totient is φ = 61641216.

The previous prime is 117996103. The next prime is 117996139. The reversal of 117996105 is 501699711.

It is not a de Polignac number, because 117996105 - 2¹ = 117996103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117996103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215442 + ... + 215988.

It is an arithmetic number, because the mean of its divisors is an integer number (6021972).

Almost surely, 2^117996105 is an apocalyptic number.

117996105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117996105 is a deficient number, since it is larger than the sum of its proper divisors (74706999).

117996105 is a wasteful number, since it uses less digits than its factorization.

117996105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 17010, while the sum is 39.

The square root of 117996105 is about 10862.6012078139. The cubic root of 117996105 is about 490.4814163525.

The spelling of 117996105 in words is "one hundred seventeen million, nine hundred ninety-six thousand, one hundred five".