109262172 has 12 divisors (see below), whose sum is σ = 254945096. Its totient is φ = 36420720.

The previous prime is 109262161. The next prime is 109262173. The reversal of 109262172 is 271262901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109262173) 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, 4552579 + ... + 4552602.

Almost surely, 2^109262172 is an apocalyptic number.

109262172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109262172 is an abundant number, since it is smaller than the sum of its proper divisors (145682924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109262172 is a wasteful number, since it uses less digits than its factorization.

109262172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105188 (or 9105186 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 109262172 is about 10452.8547296899. The cubic root of 109262172 is about 478.0682955351.

The spelling of 109262172 in words is "one hundred nine million, two hundred sixty-two thousand, one hundred seventy-two".