30061120 has 28 divisors (see below), whose sum is σ = 71583804. Its totient is φ = 12024320.

The previous prime is 30061111. The next prime is 30061121. The reversal of 30061120 is 2116003.

It can be written as a sum of positive squares in 2 ways, for example, as 9048064 + 21013056 = 3008^2 + 4584^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30061120.

It is not an unprimeable number, because it can be changed into a prime (30061121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46651 + ... + 47290.

Almost surely, 2^30061120 is an apocalyptic number.

It is an amenable number.

30061120 is an abundant number, since it is smaller than the sum of its proper divisors (41522684).

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

30061120 is an equidigital number, since it uses as much as digits as its factorization.

30061120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93958 (or 93948 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 30061120 is about 5482.8022032534. The cubic root of 30061120 is about 310.9341230663.

Adding to 30061120 its reverse (2116003), we get a palindrome (32177123).

The spelling of 30061120 in words is "thirty million, sixty-one thousand, one hundred twenty".