124281 has 8 divisors (see below), whose sum is σ = 184160. Its totient is φ = 82836.

The previous prime is 124277. The next prime is 124291. The reversal of 124281 is 182421.

It is not a de Polignac number, because 124281 - 2² = 124277 is a prime.

It is a super-2 number, since 2×124281² = 30891533922, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 124281.

It is not an unprimeable number, because it can be changed into a prime (124231) 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, 2275 + ... + 2328.

It is an arithmetic number, because the mean of its divisors is an integer number (23020).

2¹²⁴²⁸¹ is an apocalyptic number.

It is an amenable number.

124281 is a deficient number, since it is larger than the sum of its proper divisors (59879).

124281 is an equidigital number, since it uses as much as digits as its factorization.

124281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612 (or 4606 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 124281 is about 352.5351046350. The cubic root of 124281 is about 49.9039489353.

The spelling of 124281 in words is "one hundred twenty-four thousand, two hundred eighty-one".