100805075 has 12 divisors (see below), whose sum is σ = 142855440. Its totient is φ = 69123360.

The previous prime is 100805069. The next prime is 100805137. The reversal of 100805075 is 570508001.

It is not a de Polignac number, because 100805075 - 2⁴ = 100805059 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 287840 + ... + 288189.

It is an arithmetic number, because the mean of its divisors is an integer number (11904620).

Almost surely, 2^100805075 is an apocalyptic number.

100805075 is a deficient number, since it is larger than the sum of its proper divisors (42050365).

100805075 is an equidigital number, since it uses as much as digits as its factorization.

100805075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576046 (or 576041 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 100805075 is about 10040.1730562775. The cubic root of 100805075 is about 465.4011645799.

The spelling of 100805075 in words is "one hundred million, eight hundred five thousand, seventy-five".