109097280 has 336 divisors, whose sum is σ = 412723584. Its totient is φ = 27371520.

The previous prime is 109097273. The next prime is 109097309. The reversal of 109097280 is 82790901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1788450 + ... + 1788510.

It is an arithmetic number, because the mean of its divisors is an integer number (1228344).

Almost surely, 2^109097280 is an apocalyptic number.

109097280 is a gapful number since it is divisible by the number (10) 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 109097280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206361792).

109097280 is an abundant number, since it is smaller than the sum of its proper divisors (303626304).

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

109097280 is an equidigital number, since it uses as much as digits as its factorization.

109097280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 109097280 is about 10444.9643369425. The cubic root of 109097280 is about 477.8276836678.

The spelling of 109097280 in words is "one hundred nine million, ninety-seven thousand, two hundred eighty".