30254120 has 64 divisors (see below), whose sum is σ = 74405520. Its totient is φ = 11003904.

The previous prime is 30254113. The next prime is 30254129. The reversal of 30254120 is 2145203.

It can be written as a sum of positive squares in 8 ways, for example, as 8145316 + 22108804 = 2854^2 + 4702^2 .

It is not an unprimeable number, because it can be changed into a prime (30254129) 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 15 ways as a sum of consecutive naturals, for example, 37562 + ... + 38358.

Almost surely, 2^30254120 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 30254120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37202760).

30254120 is an abundant number, since it is smaller than the sum of its proper divisors (44151400).

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

30254120 is a wasteful number, since it uses less digits than its factorization.

30254120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 30254120 is about 5500.3745327023. The cubic root of 30254120 is about 311.5981293175.

Adding to 30254120 its reverse (2145203), we get a palindrome (32399323).

The spelling of 30254120 in words is "thirty million, two hundred fifty-four thousand, one hundred twenty".