109240 has 16 divisors (see below), whose sum is σ = 245880. Its totient is φ = 43680.

The previous prime is 109229. The next prime is 109253. The reversal of 109240 is 42901.

109240 = T₅₃ + T₅₄ + ... + T₉₂.

109240 = 75² + 76² + ... + 90².

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326 + ... + 1405.

2¹⁰⁹²⁴⁰ is an apocalyptic number.

109240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109240 is an abundant number, since it is smaller than the sum of its proper divisors (136640).

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

109240 is a wasteful number, since it uses less digits than its factorization.

109240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 109240 is about 330.5147500491. The cubic root of 109240 is about 47.8035956049.

The spelling of 109240 in words is "one hundred nine thousand, two hundred forty".