128115674 has 8 divisors (see below), whose sum is σ = 192265920. Its totient is φ = 64027036.

The previous prime is 128115661. The next prime is 128115679. The reversal of 128115674 is 476511821.

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

It is not an unprimeable number, because it can be changed into a prime (128115679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9794 + ... + 18765.

It is an arithmetic number, because the mean of its divisors is an integer number (24033240).

Almost surely, 2^128115674 is an apocalyptic number.

128115674 is a deficient number, since it is larger than the sum of its proper divisors (64150246).

128115674 is a wasteful number, since it uses less digits than its factorization.

128115674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30804.

The product of its digits is 13440, while the sum is 35.

The square root of 128115674 is about 11318.8194614103. The cubic root of 128115674 is about 504.1201868617.

The spelling of 128115674 in words is "one hundred twenty-eight million, one hundred fifteen thousand, six hundred seventy-four".