106009999 has 2 divisors, whose sum is σ = 106010000. Its totient is φ = 106009998.

The previous prime is 106009997. The next prime is 106010081. The reversal of 106009999 is 999900601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106009999 - 2¹ = 106009997 is a prime.

It is a super-2 number, since 2×106009999² = 22476239775960002, which contains 22 as substring.

Together with 106009997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106009991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53004999 + 53005000.

It is an arithmetic number, because the mean of its divisors is an integer number (53005000).

Almost surely, 2^106009999 is an apocalyptic number.

106009999 is a deficient number, since it is larger than the sum of its proper divisors (1).

106009999 is an equidigital number, since it uses as much as digits as its factorization.

106009999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 106009999 is about 10296.1157239029. The cubic root of 106009999 is about 473.2772296240.

The spelling of 106009999 in words is "one hundred six million, nine thousand, nine hundred ninety-nine".