124428 has 12 divisors (see below), whose sum is σ = 290360. Its totient is φ = 41472.

The previous prime is 124427. The next prime is 124429. The reversal of 124428 is 824421.

It is an interprime number because it is at equal distance from previous prime (124427) and next prime (124429).

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (124427) 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, 5173 + ... + 5196.

2¹²⁴⁴²⁸ is an apocalyptic number.

It is an amenable number.

124428 is an abundant number, since it is smaller than the sum of its proper divisors (165932).

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

124428 is a wasteful number, since it uses less digits than its factorization.

124428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376 (or 10374 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 124428 is about 352.7435328961. The cubic root of 124428 is about 49.9236167046.

Adding to 124428 its reverse (824421), we get a palindrome (948849).

The spelling of 124428 in words is "one hundred twenty-four thousand, four hundred twenty-eight".