100102209 has 8 divisors (see below), whose sum is σ = 134488992. Its totient is φ = 66225120.

The previous prime is 100102207. The next prime is 100102217. The reversal of 100102209 is 902201001.

It is a happy number.

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

It is not a de Polignac number, because 100102209 - 2¹ = 100102207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100102207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126964 + ... + 127749.

It is an arithmetic number, because the mean of its divisors is an integer number (16811124).

Almost surely, 2^100102209 is an apocalyptic number.

It is an amenable number.

100102209 is a deficient number, since it is larger than the sum of its proper divisors (34386783).

100102209 is a wasteful number, since it uses less digits than its factorization.

100102209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254847.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 100102209 is about 10005.1091448320. The cubic root of 100102209 is about 464.3169668993.

The spelling of 100102209 in words is "one hundred million, one hundred two thousand, two hundred nine".