100209107 has 2 divisors, whose sum is σ = 100209108. Its totient is φ = 100209106.

The previous prime is 100209103. The next prime is 100209113. The reversal of 100209107 is 701902001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100209107 - 2² = 100209103 is a prime.

It is not a weakly prime, because it can be changed into another prime (100209103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50104553 + 50104554.

It is an arithmetic number, because the mean of its divisors is an integer number (50104554).

Almost surely, 2^100209107 is an apocalyptic number.

100209107 is a deficient number, since it is larger than the sum of its proper divisors (1).

100209107 is an equidigital number, since it uses as much as digits as its factorization.

100209107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 100209107 is about 10010.4498899900. The cubic root of 100209107 is about 464.4821876873.

The spelling of 100209107 in words is "one hundred million, two hundred nine thousand, one hundred seven".