109097472 has 120 divisors (see below), whose sum is σ = 320010768. Its totient is φ = 33003520.

The previous prime is 109097467. The next prime is 109097477. The reversal of 109097472 is 274790901.

It is an interprime number because it is at equal distance from previous prime (109097467) and next prime (109097477).

It is a self number, because there is not a number n which added to its sum of digits gives 109097472.

It is not an unprimeable number, because it can be changed into a prime (109097477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185563 + ... + 186149.

Almost surely, 2^109097472 is an apocalyptic number.

109097472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109097472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160005384).

109097472 is an abundant number, since it is smaller than the sum of its proper divisors (210913296).

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

109097472 is an equidigital number, since it uses as much as digits as its factorization.

109097472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 109097472 is about 10444.9735279703. The cubic root of 109097472 is about 477.8279639769.

It can be divided in two parts, 10909 and 7472, that added together give a palindrome (18381).

The spelling of 109097472 in words is "one hundred nine million, ninety-seven thousand, four hundred seventy-two".