107381 has 4 divisors (see below), whose sum is σ = 108192. Its totient is φ = 106572.
The previous prime is 107377. The next prime is 107441. The reversal of 107381 is 183701.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 107381 - 22 = 107377 is a prime.
It is a super-2 number, since 2×1073812 = 23061358322, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107351) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155 + ... + 488.
It is an arithmetic number, because the mean of its divisors is an integer number (27048).
2107381 is an apocalyptic number.
It is an amenable number.
107381 is a deficient number, since it is larger than the sum of its proper divisors (811).
107381 is an equidigital number, since it uses as much as digits as its factorization.
107381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810.
The product of its (nonzero) digits is 168, while the sum is 20.
The square root of 107381 is about 327.6904026669. The cubic root of 107381 is about 47.5308755863.
The spelling of 107381 in words is "one hundred seven thousand, three hundred eighty-one".
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