120300030 has 48 divisors (see below), whose sum is σ = 315675360. Its totient is φ = 31783104.

The previous prime is 120299999. The next prime is 120300127. The reversal of 120300030 is 30003021.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 120299985 and 120300021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3679 + ... + 15941.

It is an arithmetic number, because the mean of its divisors is an integer number (6576570).

Almost surely, 2^120300030 is an apocalyptic number.

120300030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120300030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157837680).

120300030 is an abundant number, since it is smaller than the sum of its proper divisors (195375330).

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

120300030 is a wasteful number, since it uses less digits than its factorization.

120300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12385 (or 12382 counting only the distinct ones).

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

The square root of 120300030 is about 10968.1370341549. The cubic root of 120300030 is about 493.6531491925.

Adding to 120300030 its reverse (30003021), we get a palindrome (150303051).

The spelling of 120300030 in words is "one hundred twenty million, three hundred thousand, thirty".