It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 771901 = 13 ⋅59377.
It is a cyclic number.
It is a Duffinian number.
It is a nialpdrome in base 12.
2109177 is an apocalyptic number.
It is an amenable number.
109177 is an equidigital number, since it uses as much as digits as its factorization.
109177 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2582.
The square root of 109177 is about 330.4194304214. The cubic root of 109177 is about 47.7944042048.
The spelling of 109177 in words is "one hundred nine thousand, one hundred seventy-seven".