109171126 has 8 divisors (see below), whose sum is σ = 163801584. Its totient is φ = 54570600.

The previous prime is 109171103. The next prime is 109171129. The reversal of 109171126 is 621171901.

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

It is a junction number, because it is equal to n+sod(n) for n = 109171094 and 109171103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109171129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8271 + ... + 16933.

It is an arithmetic number, because the mean of its divisors is an integer number (20475198).

Almost surely, 2^109171126 is an apocalyptic number.

109171126 is a deficient number, since it is larger than the sum of its proper divisors (54630458).

109171126 is an equidigital number, since it uses as much as digits as its factorization.

109171126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966.

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 109171126 is about 10448.4987438388. The cubic root of 109171126 is about 477.9354703597.

The spelling of 109171126 in words is "one hundred nine million, one hundred seventy-one thousand, one hundred twenty-six".