30120241 has 4 divisors (see below), whose sum is σ = 31158900. Its totient is φ = 29081584.

The previous prime is 30120239. The next prime is 30120289. The reversal of 30120241 is 14202103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14202103 = 131 ⋅108413.

It can be written as a sum of positive squares in 2 ways, for example, as 18533025 + 11587216 = 4305^2 + 3404^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120241 - 2¹ = 30120239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120221) 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, 519286 + ... + 519343.

It is an arithmetic number, because the mean of its divisors is an integer number (7789725).

Almost surely, 2^30120241 is an apocalyptic number.

It is an amenable number.

30120241 is a deficient number, since it is larger than the sum of its proper divisors (1038659).

30120241 is a wasteful number, since it uses less digits than its factorization.

30120241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038658.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30120241 is about 5488.1910498816. The cubic root of 30120241 is about 311.1378269244.

Adding to 30120241 its reverse (14202103), we get a palindrome (44322344).

The spelling of 30120241 in words is "thirty million, one hundred twenty thousand, two hundred forty-one".