30124361 has 4 divisors (see below), whose sum is σ = 30422724. Its totient is φ = 29826000.

The previous prime is 30124351. The next prime is 30124363. The reversal of 30124361 is 16342103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25200400 + 4923961 = 5020^2 + 2219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30124361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30124363) 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 3 ways as a sum of consecutive naturals, for example, 149030 + ... + 149231.

It is an arithmetic number, because the mean of its divisors is an integer number (7605681).

Almost surely, 2^30124361 is an apocalyptic number.

It is an amenable number.

30124361 is a deficient number, since it is larger than the sum of its proper divisors (298363).

30124361 is a wasteful number, since it uses less digits than its factorization.

30124361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298362.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30124361 is about 5488.5663884115. The cubic root of 30124361 is about 311.1520126166.

Adding to 30124361 its reverse (16342103), we get a palindrome (46466464).

The spelling of 30124361 in words is "thirty million, one hundred twenty-four thousand, three hundred sixty-one".