124071 has 4 divisors (see below), whose sum is σ = 165432. Its totient is φ = 82712.

The previous prime is 124067. The next prime is 124087. The reversal of 124071 is 170421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170421 = 3 ⋅56807.

It is a cyclic number.

It is not a de Polignac number, because 124071 - 2² = 124067 is a prime.

It is a super-2 number, since 2×124071² = 30787226082, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 124071.

It is a congruent number.

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, 20676 + ... + 20681.

It is an arithmetic number, because the mean of its divisors is an integer number (41358).

2¹²⁴⁰⁷¹ is an apocalyptic number.

124071 is a deficient number, since it is larger than the sum of its proper divisors (41361).

124071 is an equidigital number, since it uses as much as digits as its factorization.

124071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41360.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 124071 is about 352.2371360320. The cubic root of 124071 is about 49.8758252010.

Adding to 124071 its reverse (170421), we get a palindrome (294492).

The spelling of 124071 in words is "one hundred twenty-four thousand, seventy-one", and thus it is an iban number.