128038203 has 24 divisors (see below), whose sum is σ = 200609136. Its totient is φ = 78374400.

The previous prime is 128038193. The next prime is 128038213. The reversal of 128038203 is 302830821.

128038203 is a `hidden beast` number, since 1 + 280 + 382 + 0 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (128038193) and next prime (128038213).

It is not a de Polignac number, because 128038203 - 2²⁶ = 60929339 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (128038213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3933 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (8358714).

Almost surely, 2^128038203 is an apocalyptic number.

128038203 is a deficient number, since it is larger than the sum of its proper divisors (72570933).

128038203 is a wasteful number, since it uses less digits than its factorization.

128038203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20475 (or 20472 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 128038203 is about 11315.3967230495. The cubic root of 128038203 is about 504.0185532664.

The spelling of 128038203 in words is "one hundred twenty-eight million, thirty-eight thousand, two hundred three".