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120108 = 22310009
BaseRepresentation
bin11101010100101100
320002202110
4131110230
512320413
62324020
71010112
oct352454
9202673
10120108
118226a
1259610
1342891
1431ab2
15258c3
hex1d52c

120108 has 12 divisors (see below), whose sum is σ = 280280. Its totient is φ = 40032.

The previous prime is 120103. The next prime is 120121. The reversal of 120108 is 801021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 10009 = 120108 / (1 + 2 + 0 + 1 + 0 + 8).

120108 is a modest number, since divided by 108 gives 12 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 120093 and 120102.

It is not an unprimeable number, because it can be changed into a prime (120103) by changing a digit.

120108 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4993 + ... + 5016.

2120108 is an apocalyptic number.

It is an amenable number.

120108 is an abundant number, since it is smaller than the sum of its proper divisors (160172).

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

120108 is a wasteful number, since it uses less digits than its factorization.

120108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016 (or 10014 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120108 is about 346.5660110282. The cubic root of 120108 is about 49.3390343221.

Adding to 120108 its reverse (801021), we get a palindrome (921129).

The spelling of 120108 in words is "one hundred twenty thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 10009 20018 30027 40036 60054 120108