109129567 has 2 divisors, whose sum is σ = 109129568. Its totient is φ = 109129566.

The previous prime is 109129561. The next prime is 109129583. The reversal of 109129567 is 765921901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109129567 - 2¹⁹ = 108605279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109129561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54564783 + 54564784.

It is an arithmetic number, because the mean of its divisors is an integer number (54564784).

Almost surely, 2^109129567 is an apocalyptic number.

109129567 is a deficient number, since it is larger than the sum of its proper divisors (1).

109129567 is an equidigital number, since it uses as much as digits as its factorization.

109129567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 109129567 is about 10446.5097999284. The cubic root of 109129567 is about 477.8748162231.

The spelling of 109129567 in words is "one hundred nine million, one hundred twenty-nine thousand, five hundred sixty-seven".