109097240 has 64 divisors (see below), whose sum is σ = 295315200. Its totient is φ = 35434368.

The previous prime is 109097231. The next prime is 109097249. The reversal of 109097240 is 42790901.

It is an interprime number because it is at equal distance from previous prime (109097231) and next prime (109097249).

It is a junction number, because it is equal to n+sod(n) for n = 109097197 and 109097206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109097249) 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, 4934 + ... + 15573.

It is an arithmetic number, because the mean of its divisors is an integer number (4614300).

Almost surely, 2^109097240 is an apocalyptic number.

109097240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109097240 is an abundant number, since it is smaller than the sum of its proper divisors (186217960).

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

109097240 is a wasteful number, since it uses less digits than its factorization.

109097240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20544 (or 20540 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 109097240 is about 10444.9624221440. The cubic root of 109097240 is about 477.8276252701.

The spelling of 109097240 in words is "one hundred nine million, ninety-seven thousand, two hundred forty".