103979 has 2 divisors, whose sum is σ = 103980. Its totient is φ = 103978.
The previous prime is 103969. The next prime is 103981. The reversal of 103979 is 979301.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 103979 - 24 = 103963 is a prime.
Together with 103981, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p9929 and since 103979 and 9929 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (103919) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51989 + 51990.
It is an arithmetic number, because the mean of its divisors is an integer number (51990).
2103979 is an apocalyptic number.
103979 is a deficient number, since it is larger than the sum of its proper divisors (1).
103979 is an equidigital number, since it uses as much as digits as its factorization.
103979 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1701, while the sum is 29.
The square root of 103979 is about 322.4577491703. The cubic root of 103979 is about 47.0235282831.
The spelling of 103979 in words is "one hundred three thousand, nine hundred seventy-nine".
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