124020200 has 48 divisors (see below), whose sum is σ = 291043500. Its totient is φ = 49144320.

The previous prime is 124020179. The next prime is 124020271. The reversal of 124020200 is 2020421.

It can be written as a sum of positive squares in 6 ways, for example, as 91278916 + 32741284 = 9554^2 + 5722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18956 + ... + 24644.

Almost surely, 2^124020200 is an apocalyptic number.

124020200 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 124020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145521750).

124020200 is an abundant number, since it is smaller than the sum of its proper divisors (167023300).

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

124020200 is a wasteful number, since it uses less digits than its factorization.

124020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5814 (or 5805 counting only the distinct ones).

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

The square root of 124020200 is about 11136.4356954997. The cubic root of 124020200 is about 498.6901716959.

Adding to 124020200 its reverse (2020421), we get a palindrome (126040621).

The spelling of 124020200 in words is "one hundred twenty-four million, twenty thousand, two hundred".