124280 has 32 divisors (see below), whose sum is σ = 302400. Its totient is φ = 45696.

The previous prime is 124277. The next prime is 124291. The reversal of 124280 is 82421.

It is a congruent number.

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, 401 + ... + 639.

It is an arithmetic number, because the mean of its divisors is an integer number (9450).

2¹²⁴²⁸⁰ is an apocalyptic number.

124280 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 124280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151200).

124280 is an abundant number, since it is smaller than the sum of its proper divisors (178120).

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

124280 is a wasteful number, since it uses less digits than its factorization.

124280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 124280 is about 352.5336863337. The cubic root of 124280 is about 49.9038150879.

It can be divided in two parts, 124 and 280, that added together give a palindrome (404).

The spelling of 124280 in words is "one hundred twenty-four thousand, two hundred eighty".