30105124 has 24 divisors (see below), whose sum is σ = 61839680. Its totient is φ = 12553056.

The previous prime is 30105109. The next prime is 30105151. The reversal of 30105124 is 42150103.

It is a junction number, because it is equal to n+sod(n) for n = 30105098 and 30105107.

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, 13494 + ... + 15565.

Almost surely, 2^30105124 is an apocalyptic number.

It is an amenable number.

30105124 is an abundant number, since it is smaller than the sum of its proper divisors (31734556).

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

30105124 is a wasteful number, since it uses less digits than its factorization.

30105124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29107 (or 29105 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 30105124 is about 5486.8136472820. The cubic root of 30105124 is about 311.0857660570.

Adding to 30105124 its reverse (42150103), we get a palindrome (72255227).

The spelling of 30105124 in words is "thirty million, one hundred five thousand, one hundred twenty-four".