109273215 has 32 divisors (see below), whose sum is σ = 178454016. Its totient is φ = 57087360.

The previous prime is 109273183. The next prime is 109273217. The reversal of 109273215 is 512372901.

It is not a de Polignac number, because 109273215 - 2⁵ = 109273183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109273217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164985 + ... + 165645.

It is an arithmetic number, because the mean of its divisors is an integer number (5576688).

Almost surely, 2^109273215 is an apocalyptic number.

109273215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109273215 is a deficient number, since it is larger than the sum of its proper divisors (69180801).

109273215 is a wasteful number, since it uses less digits than its factorization.

109273215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 109273215 is about 10453.3829452479. The cubic root of 109273215 is about 478.0844009271.

The spelling of 109273215 in words is "one hundred nine million, two hundred seventy-three thousand, two hundred fifteen".