117099081 has 48 divisors (see below), whose sum is σ = 193690560. Its totient is φ = 69854400.

The previous prime is 117099067. The next prime is 117099089. The reversal of 117099081 is 180990711.

It is not a de Polignac number, because 117099081 - 2¹³ = 117090889 is a prime.

It is a super-2 number, since 2×117099081² = 27424389542089122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117099089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238246 + ... + 238736.

It is an arithmetic number, because the mean of its divisors is an integer number (4035220).

Almost surely, 2^117099081 is an apocalyptic number.

117099081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117099081 is a deficient number, since it is larger than the sum of its proper divisors (76591479).

117099081 is a wasteful number, since it uses less digits than its factorization.

117099081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 117099081 is about 10821.2328780042. The cubic root of 117099081 is about 489.2353490925.

The spelling of 117099081 in words is "one hundred seventeen million, ninety-nine thousand, eighty-one".