117297105 has 32 divisors (see below), whose sum is σ = 194503680. Its totient is φ = 60318720.

The previous prime is 117297053. The next prime is 117297107. The reversal of 117297105 is 501792711.

It is not a de Polignac number, because 117297105 - 2¹⁴ = 117280721 is a prime.

It is a super-2 number, since 2×117297105² = 27517221682762050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117297107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53664 + ... + 55806.

It is an arithmetic number, because the mean of its divisors is an integer number (6078240).

Almost surely, 2^117297105 is an apocalyptic number.

117297105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117297105 is a deficient number, since it is larger than the sum of its proper divisors (77206575).

117297105 is a wasteful number, since it uses less digits than its factorization.

117297105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281.

The product of its (nonzero) digits is 4410, while the sum is 33.

The square root of 117297105 is about 10830.3788022396. The cubic root of 117297105 is about 489.5109726082.

The spelling of 117297105 in words is "one hundred seventeen million, two hundred ninety-seven thousand, one hundred five".