124525 has 12 divisors (see below), whose sum is σ = 164052. Its totient is φ = 93440.
The previous prime is 124513. The next prime is 124529. The reversal of 124525 is 525421.
124525 is nontrivially palindromic in base 4.
It can be written as a sum of positive squares in 6 ways, for example, as 9604 + 114921 = 98^2 + 339^2 .
It is not a de Polignac number, because 124525 - 25 = 124493 is a prime.
It is a Duffinian number.
It is a plaindrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124529) 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 11 ways as a sum of consecutive naturals, for example, 279 + ... + 571.
It is an arithmetic number, because the mean of its divisors is an integer number (13671).
2124525 is an apocalyptic number.
It is an amenable number.
124525 is a deficient number, since it is larger than the sum of its proper divisors (39527).
124525 is a wasteful number, since it uses less digits than its factorization.
124525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320 (or 315 counting only the distinct ones).
The product of its digits is 400, while the sum is 19.
The square root of 124525 is about 352.8809997719. The cubic root of 124525 is about 49.9365862747.
Adding to 124525 its reverse (525421), we get a palindrome (649946).
It can be divided in two parts, 1245 and 25, that multiplied together give a triangular number (31125 = T249).
The spelling of 124525 in words is "one hundred twenty-four thousand, five hundred twenty-five".
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