102068009 has 2 divisors, whose sum is σ = 102068010. Its totient is φ = 102068008.

The previous prime is 102068003. The next prime is 102068011. The reversal of 102068009 is 900860201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74736025 + 27331984 = 8645^2 + 5228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102068009 is a prime.

It is a super-2 number, since 2×102068009² = 20835756922448162, which contains 22 as substring.

Together with 102068011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102068003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51034004 + 51034005.

It is an arithmetic number, because the mean of its divisors is an integer number (51034005).

Almost surely, 2^102068009 is an apocalyptic number.

It is an amenable number.

102068009 is a deficient number, since it is larger than the sum of its proper divisors (1).

102068009 is an equidigital number, since it uses as much as digits as its factorization.

102068009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 102068009 is about 10102.8713245295. The cubic root of 102068009 is about 467.3366930342.

The spelling of 102068009 in words is "one hundred two million, sixty-eight thousand, nine".