128047035 has 32 divisors (see below), whose sum is σ = 216483840. Its totient is φ = 64523648.

The previous prime is 128047033. The next prime is 128047039. The reversal of 128047035 is 530740821.

It is a cyclic number.

It is not a de Polignac number, because 128047035 - 2¹ = 128047033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128046993 and 128047011.

It is not an unprimeable number, because it can be changed into a prime (128047033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17314 + ... + 23576.

It is an arithmetic number, because the mean of its divisors is an integer number (6765120).

Almost surely, 2^128047035 is an apocalyptic number.

128047035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128047035 is a deficient number, since it is larger than the sum of its proper divisors (88436805).

128047035 is a wasteful number, since it uses less digits than its factorization.

128047035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 128047035 is about 11315.7869810279. The cubic root of 128047035 is about 504.0301419678.

Adding to 128047035 its reverse (530740821), we get a palindrome (658787856).

The spelling of 128047035 in words is "one hundred twenty-eight million, forty-seven thousand, thirty-five".