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120207 = 3172357
BaseRepresentation
bin11101010110001111
320002220010
4131112033
512321312
62324303
71010313
oct352617
9202803
10120207
118234a
1259693
1342939
1431b43
152593c
hex1d58f

120207 has 8 divisors (see below), whose sum is σ = 169776. Its totient is φ = 75392.

The previous prime is 120199. The next prime is 120209. The reversal of 120207 is 702021.

Adding to 120207 its reverse (702021), we get a palindrome (822228).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120207 - 23 = 120199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120192 and 120201.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 120207.

It is not an unprimeable number, because it can be changed into a prime (120209) 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 7 ways as a sum of consecutive naturals, for example, 1128 + ... + 1229.

It is an arithmetic number, because the mean of its divisors is an integer number (21222).

2120207 is an apocalyptic number.

120207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120207 is a deficient number, since it is larger than the sum of its proper divisors (49569).

120207 is a wasteful number, since it uses less digits than its factorization.

120207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 120207 is about 346.7088115408. The cubic root of 120207 is about 49.3525866332.

The spelling of 120207 in words is "one hundred twenty thousand, two hundred seven", and thus it is an iban number.

Divisors: 1 3 17 51 2357 7071 40069 120207