30030120 has 48 divisors (see below), whose sum is σ = 97599060. Its totient is φ = 8007936.

The previous prime is 30030101. The next prime is 30030131. The reversal of 30030120 is 2103003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26811684 + 3218436 = 5178^2 + 1794^2 .

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 11 ways as a sum of consecutive naturals, for example, 41349 + ... + 42068.

Almost surely, 2^30030120 is an apocalyptic number.

30030120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30030120 is an abundant number, since it is smaller than the sum of its proper divisors (67568940).

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

30030120 is a wasteful number, since it uses less digits than its factorization.

30030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83434 (or 83427 counting only the distinct ones).

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

The square root of 30030120 is about 5479.9744524952. The cubic root of 30030120 is about 310.8272045278.

Adding to 30030120 its reverse (2103003), we get a palindrome (32133123).

The spelling of 30030120 in words is "thirty million, thirty thousand, one hundred twenty".