106204009 has 2 divisors, whose sum is σ = 106204010. Its totient is φ = 106204008.

The previous prime is 106203961. The next prime is 106204013. The reversal of 106204009 is 900402601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92698384 + 13505625 = 9628^2 + 3675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106204009 is a prime.

It is a super-2 number, since 2×106204009² = 22558583055344162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106204909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53102004 + 53102005.

It is an arithmetic number, because the mean of its divisors is an integer number (53102005).

Almost surely, 2^106204009 is an apocalyptic number.

It is an amenable number.

106204009 is a deficient number, since it is larger than the sum of its proper divisors (1).

106204009 is an equidigital number, since it uses as much as digits as its factorization.

106204009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 106204009 is about 10305.5329313918. The cubic root of 106204009 is about 473.5657701993.

The spelling of 106204009 in words is "one hundred six million, two hundred four thousand, nine".