102060209 has 8 divisors (see below), whose sum is σ = 102739392. Its totient is φ = 101383920.

The previous prime is 102060169. The next prime is 102060221. The reversal of 102060209 is 902060201.

102060209 = 382² + 383² + ... + 712².

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 102060209 - 2⁸ = 102059953 is a prime.

It is a super-2 number, since 2×102060209² = 20832572522247362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102060239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166187 + ... + 166799.

It is an arithmetic number, because the mean of its divisors is an integer number (12842424).

Almost surely, 2^102060209 is an apocalyptic number.

It is an amenable number.

102060209 is a deficient number, since it is larger than the sum of its proper divisors (679183).

102060209 is an equidigital number, since it uses as much as digits as its factorization.

102060209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 102060209 is about 10102.4852882843. The cubic root of 102060209 is about 467.3247881644.

The spelling of 102060209 in words is "one hundred two million, sixty thousand, two hundred nine".