109172119 has 16 divisors (see below), whose sum is σ = 131630080. Its totient is φ = 88452000.

The previous prime is 109172083. The next prime is 109172131. The reversal of 109172119 is 911271901.

It is a happy number.

It is not a de Polignac number, because 109172119 - 2¹⁷ = 109041047 is a prime.

It is a super-2 number, since 2×109172119² = 23837103133900322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109172179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99337 + ... + 100429.

It is an arithmetic number, because the mean of its divisors is an integer number (8226880).

Almost surely, 2^109172119 is an apocalyptic number.

109172119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109172119 is a deficient number, since it is larger than the sum of its proper divisors (22457961).

109172119 is a wasteful number, since it uses less digits than its factorization.

109172119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 1134, while the sum is 31.

The square root of 109172119 is about 10448.5462625190. The cubic root of 109172119 is about 477.9369194256.

The spelling of 109172119 in words is "one hundred nine million, one hundred seventy-two thousand, one hundred nineteen".