30120001 has 4 divisors (see below), whose sum is σ = 30140352. Its totient is φ = 30099652.

The previous prime is 30119989. The next prime is 30120011. The reversal of 30120001 is 10002103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10002103 = 17 ⋅588359.

It is a cyclic number.

It is not a de Polignac number, because 30120001 - 2¹¹ = 30117953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7765 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (7535088).

Almost surely, 2^30120001 is an apocalyptic number.

It is an amenable number.

30120001 is a deficient number, since it is larger than the sum of its proper divisors (20351).

30120001 is a wasteful number, since it uses less digits than its factorization.

30120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20350.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 30120001 is about 5488.1691847100. The cubic root of 30120001 is about 311.1370005335.

Adding to 30120001 its reverse (10002103), we get a palindrome (40122104).

It can be divided in two parts, 301 and 20001, that added together give a palindrome (20302).

The spelling of 30120001 in words is "thirty million, one hundred twenty thousand, one".