128672093 has 16 divisors (see below), whose sum is σ = 144529920. Its totient is φ = 113559600.

The previous prime is 128672059. The next prime is 128672107. The reversal of 128672093 is 390276821.

It is not a de Polignac number, because 128672093 - 2¹⁶ = 128606557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128672003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51098 + ... + 53556.

It is an arithmetic number, because the mean of its divisors is an integer number (9033120).

Almost surely, 2^128672093 is an apocalyptic number.

It is an amenable number.

128672093 is a deficient number, since it is larger than the sum of its proper divisors (15857827).

128672093 is a wasteful number, since it uses less digits than its factorization.

128672093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 128672093 is about 11343.3722058302. The cubic root of 128672093 is about 504.8489474050.

The spelling of 128672093 in words is "one hundred twenty-eight million, six hundred seventy-two thousand, ninety-three".