124331 has 4 divisors (see below), whose sum is σ = 125664. Its totient is φ = 123000.
The previous prime is 124309. The next prime is 124337. The reversal of 124331 is 133421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133421 = 101 ⋅1321.
It is a cyclic number.
It is not a de Polignac number, because 124331 - 210 = 123307 is a prime.
It is a super-2 number, since 2×1243312 = 30916395122, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 13 and base 14.
It is not an unprimeable number, because it can be changed into a prime (124337) 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 3 ways as a sum of consecutive naturals, for example, 515 + ... + 716.
It is an arithmetic number, because the mean of its divisors is an integer number (31416).
2124331 is an apocalyptic number.
124331 is a deficient number, since it is larger than the sum of its proper divisors (1333).
124331 is a wasteful number, since it uses less digits than its factorization.
124331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1332.
The product of its digits is 72, while the sum is 14.
The square root of 124331 is about 352.6060124275. The cubic root of 124331 is about 49.9106403924.
Adding to 124331 its reverse (133421), we get a palindrome (257752).
The spelling of 124331 in words is "one hundred twenty-four thousand, three hundred thirty-one".
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