124885 has 4 divisors (see below), whose sum is σ = 149868. Its totient is φ = 99904.
The previous prime is 124853. The next prime is 124897. The reversal of 124885 is 588421.
124885 = T221 + T222 + ... + T225.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588421 = 17 ⋅34613.
It can be written as a sum of positive squares in 2 ways, for example, as 17956 + 106929 = 134^2 + 327^2 .
It is a cyclic number.
It is not a de Polignac number, because 124885 - 25 = 124853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12484 + ... + 12493.
It is an arithmetic number, because the mean of its divisors is an integer number (37467).
2124885 is an apocalyptic number.
It is an amenable number.
124885 is a deficient number, since it is larger than the sum of its proper divisors (24983).
124885 is an equidigital number, since it uses as much as digits as its factorization.
124885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24982.
The product of its digits is 2560, while the sum is 28.
The square root of 124885 is about 353.3907186104. The cubic root of 124885 is about 49.9846619620.
The spelling of 124885 in words is "one hundred twenty-four thousand, eight hundred eighty-five".
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