128030038 has 8 divisors (see below), whose sum is σ = 193334400. Its totient is φ = 63585240.

The previous prime is 128029991. The next prime is 128030051. The reversal of 128030038 is 830030821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 128029994 and 128030021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214518 + ... + 215113.

It is an arithmetic number, because the mean of its divisors is an integer number (24166800).

Almost surely, 2^128030038 is an apocalyptic number.

128030038 is a deficient number, since it is larger than the sum of its proper divisors (65304362).

128030038 is a wasteful number, since it uses less digits than its factorization.

128030038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429782.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 128030038 is about 11315.0359257052. The cubic root of 128030038 is about 504.0078392793.

Adding to 128030038 its reverse (830030821), we get a palindrome (958060859).

The spelling of 128030038 in words is "one hundred twenty-eight million, thirty thousand, thirty-eight".