30124200 has 48 divisors (see below), whose sum is σ = 93386880. Its totient is φ = 8032960.

The previous prime is 30124189. The next prime is 30124207. The reversal of 30124200 is 242103.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (30124207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24504 + ... + 25703.

It is an arithmetic number, because the mean of its divisors is an integer number (1945560).

Almost surely, 2^30124200 is an apocalyptic number.

30124200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30124200 is an abundant number, since it is smaller than the sum of its proper divisors (63262680).

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

30124200 is a wasteful number, since it uses less digits than its factorization.

30124200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50226 (or 50217 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30124200 is about 5488.5517215382. The cubic root of 30124200 is about 311.1514582971.

Adding to 30124200 its reverse (242103), we get a palindrome (30366303).

The spelling of 30124200 in words is "thirty million, one hundred twenty-four thousand, two hundred".