128097958 has 8 divisors (see below), whose sum is σ = 203449752. Its totient is φ = 60281376.

The previous prime is 128097929. The next prime is 128097961. The reversal of 128097958 is 859790821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883760 + ... + 1883827.

It is an arithmetic number, because the mean of its divisors is an integer number (25431219).

Almost surely, 2^128097958 is an apocalyptic number.

128097958 is a deficient number, since it is larger than the sum of its proper divisors (75351794).

128097958 is a wasteful number, since it uses less digits than its factorization.

128097958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767606.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 128097958 is about 11318.0368439054. The cubic root of 128097958 is about 504.0969489949.

The spelling of 128097958 in words is "one hundred twenty-eight million, ninety-seven thousand, nine hundred fifty-eight".