128035630 has 16 divisors (see below), whose sum is σ = 230914224. Its totient is φ = 51114240.

The previous prime is 128035591. The next prime is 128035631. The reversal of 128035630 is 36530821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128035631) 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, 7011 + ... + 17470.

It is an arithmetic number, because the mean of its divisors is an integer number (14432139).

Almost surely, 2^128035630 is an apocalyptic number.

128035630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128035630 is a deficient number, since it is larger than the sum of its proper divisors (102878594).

128035630 is a wasteful number, since it uses less digits than its factorization.

128035630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25011.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 128035630 is about 11315.2830278345. The cubic root of 128035630 is about 504.0151770646.

The spelling of 128035630 in words is "one hundred twenty-eight million, thirty-five thousand, six hundred thirty".