128624674 has 8 divisors (see below), whose sum is σ = 193475520. Its totient is φ = 64132836.

The previous prime is 128624633. The next prime is 128624681. The reversal of 128624674 is 476426821.

It is a happy number.

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, 88854 + ... + 90289.

It is an arithmetic number, because the mean of its divisors is an integer number (24184440).

Almost surely, 2^128624674 is an apocalyptic number.

128624674 is a deficient number, since it is larger than the sum of its proper divisors (64850846).

128624674 is a wasteful number, since it uses less digits than its factorization.

128624674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179504.

The product of its digits is 129024, while the sum is 40.

The square root of 128624674 is about 11341.2818499498. The cubic root of 128624674 is about 504.7869231461.

The spelling of 128624674 in words is "one hundred twenty-eight million, six hundred twenty-four thousand, six hundred seventy-four".