109171234 has 4 divisors (see below), whose sum is σ = 163756854. Its totient is φ = 54585616.

The previous prime is 109171187. The next prime is 109171247. The reversal of 109171234 is 432171901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432171901 = 7 ⋅61738843.

It can be written as a sum of positive squares in only one way, i.e., 76510009 + 32661225 = 8747^2 + 5715^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27292807 + ... + 27292810.

Almost surely, 2^109171234 is an apocalyptic number.

109171234 is a deficient number, since it is larger than the sum of its proper divisors (54585620).

109171234 is an equidigital number, since it uses as much as digits as its factorization.

109171234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54585619.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 109171234 is about 10448.5039120441. The cubic root of 109171234 is about 477.9356279624.

The spelling of 109171234 in words is "one hundred nine million, one hundred seventy-one thousand, two hundred thirty-four".