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118903 is a prime number
BaseRepresentation
bin11101000001110111
320001002211
4131001313
512301103
62314251
71003441
oct350167
9201084
10118903
1181374
1258987
1342175
1431491
152536d
hex1d077

118903 has 2 divisors, whose sum is σ = 118904. Its totient is φ = 118902.

The previous prime is 118901. The next prime is 118907. The reversal of 118903 is 309811.

It is a weak prime.

It is an emirp because it is prime and its reverse (309811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118903 - 21 = 118901 is a prime.

Together with 118901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59451 + 59452.

It is an arithmetic number, because the mean of its divisors is an integer number (59452).

2118903 is an apocalyptic number.

118903 is a deficient number, since it is larger than the sum of its proper divisors (1).

118903 is an equidigital number, since it uses as much as digits as its factorization.

118903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 118903 is about 344.8231430748. The cubic root of 118903 is about 49.1734792182.

The spelling of 118903 in words is "one hundred eighteen thousand, nine hundred three".