30120046 has 24 divisors (see below), whose sum is σ = 50388912. Its totient is φ = 13490400.

The previous prime is 30120023. The next prime is 30120047. The reversal of 30120046 is 64002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16306 + ... + 18058.

It is an arithmetic number, because the mean of its divisors is an integer number (2099538).

Almost surely, 2^30120046 is an apocalyptic number.

30120046 is a deficient number, since it is larger than the sum of its proper divisors (20268866).

30120046 is a wasteful number, since it uses less digits than its factorization.

30120046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30120046 is about 5488.1732844363. The cubic root of 30120046 is about 311.1371554822.

Adding to 30120046 its reverse (64002103), we get a palindrome (94122149).

The spelling of 30120046 in words is "thirty million, one hundred twenty thousand, forty-six".