100505201 has 8 divisors (see below), whose sum is σ = 102244800. Its totient is φ = 98780400.

The previous prime is 100505191. The next prime is 100505219. The reversal of 100505201 is 102505001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100505201 - 2²² = 96310897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100505221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10460 + ... + 17618.

It is an arithmetic number, because the mean of its divisors is an integer number (12780600).

Almost surely, 2^100505201 is an apocalyptic number.

It is an amenable number.

100505201 is a deficient number, since it is larger than the sum of its proper divisors (1739599).

100505201 is a wasteful number, since it uses less digits than its factorization.

100505201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 100505201 is about 10025.2282268286. The cubic root of 100505201 is about 464.9392158571.

It can be divided in two parts, 10050 and 5201, that added together give a palindrome (15251).

The spelling of 100505201 in words is "one hundred million, five hundred five thousand, two hundred one".