30110120 has 64 divisors (see below), whose sum is σ = 71053200. Its totient is φ = 11468800.

The previous prime is 30110107. The next prime is 30110137. The reversal of 30110120 is 2101103.

It can be written as a sum of positive squares in 8 ways, for example, as 28665316 + 1444804 = 5354^2 + 1202^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 30110098 and 30110107.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 117032 + ... + 117288.

Almost surely, 2^30110120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35526600).

30110120 is an abundant number, since it is smaller than the sum of its proper divisors (40943080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30110120 is a wasteful number, since it uses less digits than its factorization.

30110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 30110120 is about 5487.2689017397. The cubic root of 30110120 is about 311.1029735211.

Adding to 30110120 its reverse (2101103), we get a palindrome (32211223).

The spelling of 30110120 in words is "thirty million, one hundred ten thousand, one hundred twenty".