128007043 has 8 divisors (see below), whose sum is σ = 132135696. Its totient is φ = 123926400.

The previous prime is 128007037. The next prime is 128007109. The reversal of 128007043 is 340700821.

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

It is a cyclic number.

It is not a de Polignac number, because 128007043 - 2⁹ = 128006531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128006999 and 128007017.

It is not an unprimeable number, because it can be changed into a prime (128008043) 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, 6546 + ... + 17287.

It is an arithmetic number, because the mean of its divisors is an integer number (16516962).

Almost surely, 2^128007043 is an apocalyptic number.

128007043 is a deficient number, since it is larger than the sum of its proper divisors (4128653).

128007043 is a wasteful number, since it uses less digits than its factorization.

128007043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24005.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 128007043 is about 11314.0197542695. The cubic root of 128007043 is about 503.9776631467.

Adding to 128007043 its reverse (340700821), we get a palindrome (468707864).

The spelling of 128007043 in words is "one hundred twenty-eight million, seven thousand, forty-three".