104969 has 4 divisors (see below), whose sum is σ = 107844. Its totient is φ = 102096.
The previous prime is 104959. The next prime is 104971. The reversal of 104969 is 969401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969401 = 31 ⋅31271.
It can be written as a sum of positive squares in 2 ways, for example, as 44944 + 60025 = 212^2 + 245^2 .
It is a cyclic number.
It is not a de Polignac number, because 104969 - 24 = 104953 is a prime.
It is a super-2 number, since 2×1049692 = 22036981922, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (104959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382 + ... + 1455.
It is an arithmetic number, because the mean of its divisors is an integer number (26961).
104969 is a Friedman number, since it can be written as (9+9)^4-6-1-0, using all its digits and the basic arithmetic operations.
2104969 is an apocalyptic number.
It is an amenable number.
104969 is a deficient number, since it is larger than the sum of its proper divisors (2875).
104969 is an equidigital number, since it uses as much as digits as its factorization.
104969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2874.
The product of its (nonzero) digits is 1944, while the sum is 29.
The square root of 104969 is about 323.9891973508. The cubic root of 104969 is about 47.1722965362.
The spelling of 104969 in words is "one hundred four thousand, nine hundred sixty-nine".
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