100050209 has 12 divisors (see below), whose sum is σ = 119225988. Its totient is φ = 83664000.

The previous prime is 100050191. The next prime is 100050211. The reversal of 100050209 is 902050001.

It can be written as a sum of positive squares in 2 ways, for example, as 17875984 + 82174225 = 4228^2 + 9065^2 .

It is not a de Polignac number, because 100050209 - 2²⁰ = 99001633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100050239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22892 + ... + 26909.

It is an arithmetic number, because the mean of its divisors is an integer number (9935499).

Almost surely, 2^100050209 is an apocalyptic number.

It is an amenable number.

100050209 is a deficient number, since it is larger than the sum of its proper divisors (19175779).

100050209 is an equidigital number, since it uses as much as digits as its factorization.

100050209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49856 (or 49849 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 100050209 is about 10002.5101349611. The cubic root of 100050209 is about 464.2365535415.

The spelling of 100050209 in words is "one hundred million, fifty thousand, two hundred nine".