124712 has 32 divisors (see below), whose sum is σ = 285120. Its totient is φ = 49920.

The previous prime is 124703. The next prime is 124717. The reversal of 124712 is 217421.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (124717) by changing a digit.

124712 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887 + ... + 1017.

It is an arithmetic number, because the mean of its divisors is an integer number (8910).

2¹²⁴⁷¹² 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 124712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142560).

124712 is an abundant number, since it is smaller than the sum of its proper divisors (160408).

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

124712 is a wasteful number, since it uses less digits than its factorization.

124712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 157 counting only the distinct ones).

The product of its digits is 112, while the sum is 17.

The square root of 124712 is about 353.1458622156. The cubic root of 124712 is about 49.9615704710.

It can be divided in two parts, 12471 and 2, that multiplied together give a palindrome (24942).

The spelling of 124712 in words is "one hundred twenty-four thousand, seven hundred twelve", and thus it is an iban number.