105199 has 2 divisors, whose sum is σ = 105200. Its totient is φ = 105198.
The previous prime is 105173. The next prime is 105211. The reversal of 105199 is 991501.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 105199 - 25 = 105167 is a prime.
It is a super-2 number, since 2×1051992 = 22133659202, which contains 22 as substring.
It is an Ulam number.
It is a plaindrome in base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (105499) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52599 + 52600.
It is an arithmetic number, because the mean of its divisors is an integer number (52600).
2105199 is an apocalyptic number.
105199 is a deficient number, since it is larger than the sum of its proper divisors (1).
105199 is an equidigital number, since it uses as much as digits as its factorization.
105199 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 405, while the sum is 25.
The square root of 105199 is about 324.3439532348. The cubic root of 105199 is about 47.2067248390.
The spelling of 105199 in words is "one hundred five thousand, one hundred ninety-nine".
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