128015030 has 32 divisors (see below), whose sum is σ = 270714528. Its totient is φ = 42969600.

The previous prime is 128015029. The next prime is 128015047. The reversal of 128015030 is 30510821.

It is a junction number, because it is equal to n+sod(n) for n = 128014993 and 128015011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43331 + ... + 46190.

It is an arithmetic number, because the mean of its divisors is an integer number (8459829).

Almost surely, 2^128015030 is an apocalyptic number.

128015030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128015030 is an abundant number, since it is smaller than the sum of its proper divisors (142699498).

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

128015030 is a wasteful number, since it uses less digits than its factorization.

128015030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89552.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 128015030 is about 11314.3727179195. The cubic root of 128015030 is about 503.9881448249.

Adding to 128015030 its reverse (30510821), we get a palindrome (158525851).

The spelling of 128015030 in words is "one hundred twenty-eight million, fifteen thousand, thirty".