128106097 has 8 divisors (see below), whose sum is σ = 147476736. Its totient is φ = 109002912.

The previous prime is 128106089. The next prime is 128106103. The reversal of 128106097 is 790601821.

It is a happy number.

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 128106097 - 2³ = 128106089 is a prime.

It is a super-2 number, since 2×128106097² = 32822344177146818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128106007) 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, 65833 + ... + 67750.

It is an arithmetic number, because the mean of its divisors is an integer number (18434592).

Almost surely, 2^128106097 is an apocalyptic number.

It is an amenable number.

128106097 is a deficient number, since it is larger than the sum of its proper divisors (19370639).

128106097 is a wasteful number, since it uses less digits than its factorization.

128106097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133727.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 128106097 is about 11318.3963970167. The cubic root of 128106097 is about 504.1076250906.

The spelling of 128106097 in words is "one hundred twenty-eight million, one hundred six thousand, ninety-seven".