124638228 has 216 divisors, whose sum is σ = 390394368. Its totient is φ = 33264000.

The previous prime is 124638193. The next prime is 124638253. The reversal of 124638228 is 822836421.

124638228 is a `hidden beast` number, since 12 + 4 + 638 + 2 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 124638192 and 124638201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1755433 + ... + 1755503.

Almost surely, 2^124638228 is an apocalyptic number.

124638228 is a gapful number since it is divisible by the number (18) 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 124638228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195197184).

124638228 is an abundant number, since it is smaller than the sum of its proper divisors (265756140).

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

124638228 is a wasteful number, since it uses less digits than its factorization.

124638228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 131 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 124638228 is about 11164.1492286694. The cubic root of 124638228 is about 499.5171712362.

The spelling of 124638228 in words is "one hundred twenty-four million, six hundred thirty-eight thousand, two hundred twenty-eight".