124345 has 8 divisors (see below), whose sum is σ = 160776. Its totient is φ = 91776.
The previous prime is 124343. The next prime is 124349. The reversal of 124345 is 543421.
It can be written as a sum of positive squares in 4 ways, for example, as 13456 + 110889 = 116^2 + 333^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 124345 - 21 = 124343 is a prime.
It is a Duffinian number.
It is a plaindrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (124343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892 + ... + 1021.
It is an arithmetic number, because the mean of its divisors is an integer number (20097).
2124345 is an apocalyptic number.
It is an amenable number.
124345 is a deficient number, since it is larger than the sum of its proper divisors (36431).
124345 is a wasteful number, since it uses less digits than its factorization.
124345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1931.
The product of its digits is 480, while the sum is 19.
The square root of 124345 is about 352.6258640542. The cubic root of 124345 is about 49.9125136788.
Adding to 124345 its reverse (543421), we get a palindrome (667766).
The spelling of 124345 in words is "one hundred twenty-four thousand, three hundred forty-five".
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