109455120 has 120 divisors (see below), whose sum is σ = 369576792. Its totient is φ = 29030400.

The previous prime is 109455119. The next prime is 109455121. The reversal of 109455120 is 21554901.

109455120 is a `hidden beast` number, since 1 + 0 + 94 + 551 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (109455119) and next prime (109455121).

It can be written as a sum of positive squares in 4 ways, for example, as 13571856 + 95883264 = 3684^2 + 9792^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (109455121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202050 + ... + 202590.

Almost surely, 2^109455120 is an apocalyptic number.

109455120 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 109455120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184788396).

109455120 is an abundant number, since it is smaller than the sum of its proper divisors (260121672).

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

109455120 is a wasteful number, since it uses less digits than its factorization.

109455120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 109455120 is about 10462.0800991008. The cubic root of 109455120 is about 478.3495397985.

The spelling of 109455120 in words is "one hundred nine million, four hundred fifty-five thousand, one hundred twenty".