124900 has 18 divisors (see below), whose sum is σ = 271250. Its totient is φ = 49920.

The previous prime is 124897. The next prime is 124907. The reversal of 124900 is 9421.

124900 = T₁₆ + T₁₇ + ... + T₉₀.

It can be written as a sum of positive squares in 3 ways, for example, as 5184 + 119716 = 72^2 + 346^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525 + ... + 724.

2¹²⁴⁹⁰⁰ is an apocalyptic number.

124900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124900 is an abundant number, since it is smaller than the sum of its proper divisors (146350).

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

124900 is a wasteful number, since it uses less digits than its factorization.

124900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 124900 is about 353.4119409414. The cubic root of 124900 is about 49.9866631095.

It can be divided in two parts, 124 and 900, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 124900 in words is "one hundred twenty-four thousand, nine hundred".