128101107 has 8 divisors (see below), whose sum is σ = 172963840. Its totient is φ = 84319560.

The previous prime is 128101087. The next prime is 128101123. The reversal of 128101107 is 701101821.

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

It is not a de Polignac number, because 128101107 - 2⁷ = 128100979 is a prime.

It is a super-2 number, since 2×128101107² = 32819787229250898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128101147) 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, 270019 + ... + 270492.

It is an arithmetic number, because the mean of its divisors is an integer number (21620480).

Almost surely, 2^128101107 is an apocalyptic number.

128101107 is a deficient number, since it is larger than the sum of its proper divisors (44862733).

128101107 is an equidigital number, since it uses as much as digits as its factorization.

128101107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540593.

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 128101107 is about 11318.1759572822. The cubic root of 128101107 is about 504.1010796573.

Adding to 128101107 its reverse (701101821), we get a palindrome (829202928).

The spelling of 128101107 in words is "one hundred twenty-eight million, one hundred one thousand, one hundred seven".