300030120 has 96 divisors (see below), whose sum is σ = 1050121800. Its totient is φ = 73852416.

The previous prime is 300030113. The next prime is 300030149. The reversal of 300030120 is 21030003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 272844324 + 27185796 = 16518^2 + 5214^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27375 + ... + 36734.

Almost surely, 2^300030120 is an apocalyptic number.

300030120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300030120 is an abundant number, since it is smaller than the sum of its proper divisors (750091680).

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

300030120 is a wasteful number, since it uses less digits than its factorization.

300030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64139 (or 64132 counting only the distinct ones).

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

The square root of 300030120 is about 17321.3775433711. The cubic root of 300030120 is about 669.4553530218.

Adding to 300030120 its reverse (21030003), we get a palindrome (321060123).

The spelling of 300030120 in words is "three hundred million, thirty thousand, one hundred twenty".