1530943128 has 96 divisors (see below), whose sum is σ = 4871215440. Its totient is φ = 428232960.

The previous prime is 1530943123. The next prime is 1530943129. The reversal of 1530943128 is 8213490351.

1530943128 is a `hidden beast` number, since 1 + 530 + 94 + 31 + 2 + 8 = 666.

It is a super-2 number, since 2×1530943128² = 4687573722340848768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1530943092 and 1530943101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530943123) 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 23 ways as a sum of consecutive naturals, for example, 64051 + ... + 84642.

Almost surely, 2^1530943128 is an apocalyptic number.

1530943128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1530943128 is an abundant number, since it is smaller than the sum of its proper divisors (3340272312).

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

1530943128 is a wasteful number, since it uses less digits than its factorization.

1530943128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148729 (or 148722 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1530943128 is about 39127.2683431900. The cubic root of 1530943128 is about 1152.5320712008.

The spelling of 1530943128 in words is "one billion, five hundred thirty million, nine hundred forty-three thousand, one hundred twenty-eight".