128103000 has 64 divisors (see below), whose sum is σ = 399690720. Its totient is φ = 34160000.

The previous prime is 128102987. The next prime is 128103011. The reversal of 128103000 is 301821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18351 + ... + 24350.

Almost surely, 2^128103000 is an apocalyptic number.

128103000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128103000 is an abundant number, since it is smaller than the sum of its proper divisors (271587720).

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

128103000 is a wasteful number, since it uses less digits than its factorization.

128103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42725 (or 42711 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 128103000 is about 11318.2595835225. The cubic root of 128103000 is about 504.1035627445.

Adding to 128103000 its reverse (301821), we get a palindrome (128404821).

The spelling of 128103000 in words is "one hundred twenty-eight million, one hundred three thousand".