124031 has 4 divisors (see below), whose sum is σ = 128064. Its totient is φ = 120000.
The previous prime is 124021. The next prime is 124067. The reversal of 124031 is 130421.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130421 = 41 ⋅3181.
It is a cyclic number.
It is not a de Polignac number, because 124031 - 210 = 123007 is a prime.
It is a super-2 number, since 2×1240312 = 30767377922, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 13.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 124031.
It is not an unprimeable number, because it can be changed into a prime (124001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970 + ... + 2031.
It is an arithmetic number, because the mean of its divisors is an integer number (32016).
2124031 is an apocalyptic number.
124031 is the 158-th centered decagonal number.
124031 is a deficient number, since it is larger than the sum of its proper divisors (4033).
124031 is an equidigital number, since it uses as much as digits as its factorization.
124031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4032.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 124031 is about 352.1803515246. The cubic root of 124031 is about 49.8704647019.
Adding to 124031 its reverse (130421), we get a palindrome (254452).
The spelling of 124031 in words is "one hundred twenty-four thousand, thirty-one".
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