105973 has 4 divisors (see below), whose sum is σ = 121120. Its totient is φ = 90828.
The previous prime is 105971. The next prime is 105977. The reversal of 105973 is 379501.
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.
It is a cyclic number.
It is not a de Polignac number, because 105973 - 21 = 105971 is a prime.
It is a super-2 number, since 2×1059732 = 22460553458, which contains 22 as substring.
It is a Duffinian number.
105973 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105971) 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, 7563 + ... + 7576.
It is an arithmetic number, because the mean of its divisors is an integer number (30280).
2105973 is an apocalyptic number.
It is an amenable number.
105973 is a deficient number, since it is larger than the sum of its proper divisors (15147).
105973 is an equidigital number, since it uses as much as digits as its factorization.
105973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15146.
The product of its (nonzero) digits is 945, while the sum is 25.
The square root of 105973 is about 325.5349443608. The cubic root of 105973 is about 47.3222163052.
The spelling of 105973 in words is "one hundred five thousand, nine hundred seventy-three".
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