30004120 has 32 divisors (see below), whose sum is σ = 67723920. Its totient is φ = 11963520.

The previous prime is 30004057. The next prime is 30004147. The reversal of 30004120 is 2140003.

It is a super-3 number, since 3×30004120³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 30004097 and 30004106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13915 + ... + 15925.

Almost surely, 2^30004120 is an apocalyptic number.

It is an amenable number.

30004120 is an abundant number, since it is smaller than the sum of its proper divisors (37719800).

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

30004120 is a wasteful number, since it uses less digits than its factorization.

30004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30004120 is about 5477.6016649625. The cubic root of 30004120 is about 310.7374741642.

Adding to 30004120 its reverse (2140003), we get a palindrome (32144123).

The spelling of 30004120 in words is "thirty million, four thousand, one hundred twenty".