117528105 has 16 divisors (see below), whose sum is σ = 188210880. Its totient is φ = 62626368.

The previous prime is 117528101. The next prime is 117528107. The reversal of 117528105 is 501825711.

It is not a de Polignac number, because 117528105 - 2² = 117528101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117528101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18694 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (11763180).

Almost surely, 2^117528105 is an apocalyptic number.

117528105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117528105 is a deficient number, since it is larger than the sum of its proper divisors (70682775).

117528105 is a wasteful number, since it uses less digits than its factorization.

117528105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6920.

The product of its (nonzero) digits is 2800, while the sum is 30.

The square root of 117528105 is about 10841.0380038076. The cubic root of 117528105 is about 489.8321026880.

The spelling of 117528105 in words is "one hundred seventeen million, five hundred twenty-eight thousand, one hundred five".