30120103 has 8 divisors (see below), whose sum is σ = 32483808. Its totient is φ = 27763104.

The previous prime is 30120061. The next prime is 30120113. The reversal of 30120103 is 30102103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30120103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11601 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (4060476).

Almost surely, 2^30120103 is an apocalyptic number.

30120103 is a deficient number, since it is larger than the sum of its proper divisors (2363705).

30120103 is a wasteful number, since it uses less digits than its factorization.

30120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30120103 is about 5488.1784774185. The cubic root of 30120103 is about 311.1373517502.

Adding to 30120103 its reverse (30102103), we get a palindrome (60222206).

The spelling of 30120103 in words is "thirty million, one hundred twenty thousand, one hundred three".