128663034 has 24 divisors (see below), whose sum is σ = 261084480. Its totient is φ = 42263520.

The previous prime is 128663027. The next prime is 128663047. The reversal of 128663034 is 430366821.

It is a junction number, because it is equal to n+sod(n) for n = 128662986 and 128663004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246694 + ... + 247214.

It is an arithmetic number, because the mean of its divisors is an integer number (10878520).

Almost surely, 2^128663034 is an apocalyptic number.

128663034 is an abundant number, since it is smaller than the sum of its proper divisors (132421446).

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

128663034 is an frugal number, since it uses more digits than its factorization.

128663034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 128663034 is about 11342.9728907372. The cubic root of 128663034 is about 504.8370993711.

The spelling of 128663034 in words is "one hundred twenty-eight million, six hundred sixty-three thousand, thirty-four".