109097499 has 16 divisors (see below), whose sum is σ = 168350720. Its totient is φ = 61551360.

The previous prime is 109097489. The next prime is 109097503. The reversal of 109097499 is 994790901.

It is not a de Polignac number, because 109097499 - 2⁵ = 109097467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109097419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31222 + ... + 34539.

It is an arithmetic number, because the mean of its divisors is an integer number (10521920).

Almost surely, 2^109097499 is an apocalyptic number.

109097499 is a deficient number, since it is larger than the sum of its proper divisors (59253221).

109097499 is an equidigital number, since it uses as much as digits as its factorization.

109097499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65850.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 109097499 is about 10444.9748204579. The cubic root of 109097499 is about 477.8280033953.

It can be divided in two parts, 1090 and 97499, that added together give a palindrome (98589).

The spelling of 109097499 in words is "one hundred nine million, ninety-seven thousand, four hundred ninety-nine".