30124434 has 24 divisors (see below), whose sum is σ = 62988912. Its totient is φ = 9603880.

The previous prime is 30124433. The next prime is 30124477. The reversal of 30124434 is 43442103.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30124434.

It is not an unprimeable number, because it can be changed into a prime (30124433) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1572 + ... + 7919.

It is an arithmetic number, because the mean of its divisors is an integer number (2624538).

Almost surely, 2^30124434 is an apocalyptic number.

30124434 is an abundant number, since it is smaller than the sum of its proper divisors (32864478).

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

30124434 is a wasteful number, since it uses less digits than its factorization.

30124434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9542 (or 9519 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 30124434 is about 5488.5730385957. The cubic root of 30124434 is about 311.1522639534.

Adding to 30124434 its reverse (43442103), we get a palindrome (73566537).

The spelling of 30124434 in words is "thirty million, one hundred twenty-four thousand, four hundred thirty-four".