124120 has 32 divisors (see below), whose sum is σ = 291600. Its totient is φ = 47488.

The previous prime is 124097. The next prime is 124121. The reversal of 124120 is 21421.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 124097 and 124106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124121) by changing a digit.

124120 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, 1107 + ... + 1213.

2¹²⁴¹²⁰ is an apocalyptic number.

124120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145800).

124120 is an abundant number, since it is smaller than the sum of its proper divisors (167480).

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

124120 is a wasteful number, since it uses less digits than its factorization.

124120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 143 counting only the distinct ones).

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

The square root of 124120 is about 352.3066845804. The cubic root of 124120 is about 49.8823902425.

Adding to 124120 its reverse (21421), we get a palindrome (145541).

The spelling of 124120 in words is "one hundred twenty-four thousand, one hundred twenty", and thus it is an iban number.