124012 has 24 divisors (see below), whose sum is σ = 256256. Its totient is φ = 51408.

The previous prime is 124001. The next prime is 124021. The reversal of 124012 is 210421.

It is a super-2 number, since 2×124012² = 30757952288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153 + ... + 1255.

2¹²⁴⁰¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128128).

124012 is an abundant number, since it is smaller than the sum of its proper divisors (132244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124012 is a wasteful number, since it uses less digits than its factorization.

124012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 124012 is about 352.1533756760. The cubic root of 124012 is about 49.8679180611.

Adding to 124012 its reverse (210421), we get a palindrome (334433).

It can be divided in two parts, 12401 and 2, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 124012 in words is "one hundred twenty-four thousand, twelve", and thus it is an iban number.