30120300 has 162 divisors, whose sum is σ = 109985148. Its totient is φ = 6874560.

The previous prime is 30120289. The next prime is 30120323. The reversal of 30120300 is 302103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 43759 + ... + 44441.

Almost surely, 2^30120300 is an apocalyptic number.

30120300 is a gapful number since it is divisible by the number (30) 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 30120300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54992574).

30120300 is an abundant number, since it is smaller than the sum of its proper divisors (79864848).

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

30120300 is a wasteful number, since it uses less digits than its factorization.

30120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 30120300 is about 5488.1964250562. The cubic root of 30120300 is about 311.1380300782.

Adding to 30120300 its reverse (302103), we get a palindrome (30422403).

The spelling of 30120300 in words is "thirty million, one hundred twenty thousand, three hundred".