109234109 has 2 divisors, whose sum is σ = 109234110. Its totient is φ = 109234108.

The previous prime is 109234091. The next prime is 109234121. The reversal of 109234109 is 901432901.

It is a happy number.

Together with previous prime (109234091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78818884 + 30415225 = 8878^2 + 5515^2 .

It is an emirp because it is prime and its reverse (901432901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109234109 - 2¹⁶ = 109168573 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is equal to p_6261824 and since 109234109 and 6261824 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109234159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54617054 + 54617055.

It is an arithmetic number, because the mean of its divisors is an integer number (54617055).

Almost surely, 2^109234109 is an apocalyptic number.

It is an amenable number.

109234109 is a deficient number, since it is larger than the sum of its proper divisors (1).

109234109 is an equidigital number, since it uses as much as digits as its factorization.

109234109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 109234109 is about 10451.5122829187. The cubic root of 109234109 is about 478.0273628588.

The spelling of 109234109 in words is "one hundred nine million, two hundred thirty-four thousand, one hundred nine".