128120674 has 8 divisors (see below), whose sum is σ = 209652048. Its totient is φ = 58236660.

The previous prime is 128120647. The next prime is 128120689. The reversal of 128120674 is 476021821.

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

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, 2911812 + ... + 2911855.

It is an arithmetic number, because the mean of its divisors is an integer number (26206506).

Almost surely, 2^128120674 is an apocalyptic number.

128120674 is a deficient number, since it is larger than the sum of its proper divisors (81531374).

128120674 is a wasteful number, since it uses less digits than its factorization.

128120674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823680.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 128120674 is about 11319.0403303460. The cubic root of 128120674 is about 504.1267449147.

The spelling of 128120674 in words is "one hundred twenty-eight million, one hundred twenty thousand, six hundred seventy-four".