109129087 has 8 divisors (see below), whose sum is σ = 110814704. Its totient is φ = 107448768.

The previous prime is 109129051. The next prime is 109129121. The reversal of 109129087 is 780921901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109129087 - 2¹⁵ = 109096319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109129037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63613 + ... + 65305.

It is an arithmetic number, because the mean of its divisors is an integer number (13851838).

Almost surely, 2^109129087 is an apocalyptic number.

109129087 is a deficient number, since it is larger than the sum of its proper divisors (1685617).

109129087 is an equidigital number, since it uses as much as digits as its factorization.

109129087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 109129087 is about 10446.4868257228. The cubic root of 109129087 is about 477.8741155873.

The spelling of 109129087 in words is "one hundred nine million, one hundred twenty-nine thousand, eighty-seven".