109206089 has 2 divisors, whose sum is σ = 109206090. Its totient is φ = 109206088.

The previous prime is 109206073. The next prime is 109206107. The reversal of 109206089 is 980602901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89775625 + 19430464 = 9475^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 109206089 - 2⁴ = 109206073 is a prime.

It is not a weakly prime, because it can be changed into another prime (109206989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54603044 + 54603045.

It is an arithmetic number, because the mean of its divisors is an integer number (54603045).

Almost surely, 2^109206089 is an apocalyptic number.

It is an amenable number.

109206089 is a deficient number, since it is larger than the sum of its proper divisors (1).

109206089 is an equidigital number, since it uses as much as digits as its factorization.

109206089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 109206089 is about 10450.1717210771. The cubic root of 109206089 is about 477.9864859073.

The spelling of 109206089 in words is "one hundred nine million, two hundred six thousand, eighty-nine".