106447109 has 2 divisors, whose sum is σ = 106447110. Its totient is φ = 106447108.

The previous prime is 106447093. The next prime is 106447123. The reversal of 106447109 is 901744601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90820900 + 15626209 = 9530^2 + 3953^2 .

It is a cyclic number.

It is not a de Polignac number, because 106447109 - 2⁴ = 106447093 is a prime.

It is a super-2 number, since 2×106447109² = 22661974028915762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106447169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53223554 + 53223555.

It is an arithmetic number, because the mean of its divisors is an integer number (53223555).

Almost surely, 2^106447109 is an apocalyptic number.

It is an amenable number.

106447109 is a deficient number, since it is larger than the sum of its proper divisors (1).

106447109 is an equidigital number, since it uses as much as digits as its factorization.

106447109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 106447109 is about 10317.3208247103. The cubic root of 106447109 is about 473.9268240874.

The spelling of 106447109 in words is "one hundred six million, four hundred forty-seven thousand, one hundred nine".