30124105 has 32 divisors (see below), whose sum is σ = 41171328. Its totient is φ = 20966400.

The previous prime is 30124091. The next prime is 30124109. The reversal of 30124105 is 50142103.

It is not a de Polignac number, because 30124105 - 2⁹ = 30123593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30124109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229890 + ... + 230020.

It is an arithmetic number, because the mean of its divisors is an integer number (1286604).

Almost surely, 2^30124105 is an apocalyptic number.

It is an amenable number.

30124105 is a deficient number, since it is larger than the sum of its proper divisors (11047223).

30124105 is a wasteful number, since it uses less digits than its factorization.

30124105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

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

The square root of 30124105 is about 5488.5430671536. The cubic root of 30124105 is about 311.1511312132.

Adding to 30124105 its reverse (50142103), we get a palindrome (80266208).

It can be divided in two parts, 3012 and 4105, that added together give a palindrome (7117).

The spelling of 30124105 in words is "thirty million, one hundred twenty-four thousand, one hundred five".