124400 has 30 divisors (see below), whose sum is σ = 299832. Its totient is φ = 49600.

The previous prime is 124367. The next prime is 124427. The reversal of 124400 is 4421.

124400 = T₈₇ + T₈₈ + ... + T₁₁₁.

124400 is nontrivially palindromic in base 6.

It is a plaindrome in base 14.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245 + ... + 555.

2¹²⁴⁴⁰⁰ is an apocalyptic number.

124400 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 124400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149916).

124400 is an abundant number, since it is smaller than the sum of its proper divisors (175432).

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

124400 is a wasteful number, since it uses less digits than its factorization.

124400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 124400 is about 352.7038417710. The cubic root of 124400 is about 49.9198716576.

Adding to 124400 its reverse (4421), we get a palindrome (128821).

The spelling of 124400 in words is "one hundred twenty-four thousand, four hundred", and thus it is an iban number.