130030428 has 24 divisors (see below), whose sum is σ = 330986880. Its totient is φ = 39403120.

The previous prime is 130030427. The next prime is 130030429. The reversal of 130030428 is 824030031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130030427) and next prime (130030429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130030421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 492408 + ... + 492671.

It is an arithmetic number, because the mean of its divisors is an integer number (13791120).

Almost surely, 2^130030428 is an apocalyptic number.

It is an amenable number.

130030428 is an abundant number, since it is smaller than the sum of its proper divisors (200956452).

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

130030428 is a wasteful number, since it uses less digits than its factorization.

130030428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985097 (or 985095 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 130030428 is about 11403.0885289907. The cubic root of 130030428 is about 506.6192224350.

Adding to 130030428 its reverse (824030031), we get a palindrome (954060459).

The spelling of 130030428 in words is "one hundred thirty million, thirty thousand, four hundred twenty-eight".