130225128 has 32 divisors (see below), whose sum is σ = 355160160. Its totient is φ = 39462080.

The previous prime is 130225093. The next prime is 130225129. The reversal of 130225128 is 821522031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 130225098 and 130225107.

It is not an unprimeable number, because it can be changed into a prime (130225129) 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, 246375 + ... + 246902.

It is an arithmetic number, because the mean of its divisors is an integer number (11098755).

Almost surely, 2^130225128 is an apocalyptic number.

It is an amenable number.

130225128 is an abundant number, since it is smaller than the sum of its proper divisors (224935032).

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

130225128 is a wasteful number, since it uses less digits than its factorization.

130225128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493297 (or 493293 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 130225128 is about 11411.6224963850. The cubic root of 130225128 is about 506.8719570527.

Adding to 130225128 its reverse (821522031), we get a palindrome (951747159).

The spelling of 130225128 in words is "one hundred thirty million, two hundred twenty-five thousand, one hundred twenty-eight".