203124228 has 72 divisors (see below), whose sum is σ = 517410432. Its totient is φ = 61963776.

The previous prime is 203124227. The next prime is 203124263. The reversal of 203124228 is 822421302.

It is a junction number, because it is equal to n+sod(n) for n = 203124198 and 203124207.

It is not an unprimeable number, because it can be changed into a prime (203124221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127525 + ... + 129107.

It is an arithmetic number, because the mean of its divisors is an integer number (7186256).

Almost surely, 2^203124228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203124228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258705216).

203124228 is an abundant number, since it is smaller than the sum of its proper divisors (314286204).

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

203124228 is a wasteful number, since it uses less digits than its factorization.

203124228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 203124228 is about 14252.1657301619. The cubic root of 203124228 is about 587.8329272193.

The spelling of 203124228 in words is "two hundred three million, one hundred twenty-four thousand, two hundred twenty-eight".