128701073 has 8 divisors (see below), whose sum is σ = 129964800. Its totient is φ = 127442448.

The previous prime is 128700983. The next prime is 128701093. The reversal of 128701073 is 370107821.

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 128701073 - 2¹² = 128696977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128701093) 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, 65615 + ... + 67547.

It is an arithmetic number, because the mean of its divisors is an integer number (16245600).

Almost surely, 2^128701073 is an apocalyptic number.

It is an amenable number.

128701073 is a deficient number, since it is larger than the sum of its proper divisors (1263727).

128701073 is a wasteful number, since it uses less digits than its factorization.

128701073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 128701073 is about 11344.6495318278. The cubic root of 128701073 is about 504.8868458695.

Adding to 128701073 its reverse (370107821), we get a palindrome (498808894).

The spelling of 128701073 in words is "one hundred twenty-eight million, seven hundred one thousand, seventy-three".