100255205 has 16 divisors (see below), whose sum is σ = 128044800. Its totient is φ = 75094272.

The previous prime is 100255189. The next prime is 100255241. The reversal of 100255205 is 502552001.

It is a cyclic number.

It is not a de Polignac number, because 100255205 - 2⁴ = 100255189 is a prime.

It is a super-2 number, since 2×100255205² = 20102212259184050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13952 + ... + 19878.

It is an arithmetic number, because the mean of its divisors is an integer number (8002800).

Almost surely, 2^100255205 is an apocalyptic number.

It is an amenable number.

100255205 is a deficient number, since it is larger than the sum of its proper divisors (27789595).

100255205 is a wasteful number, since it uses less digits than its factorization.

100255205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 100255205 is about 10012.7521191728. The cubic root of 100255205 is about 464.5534001686.

The spelling of 100255205 in words is "one hundred million, two hundred fifty-five thousand, two hundred five".