128068802 has 4 divisors (see below), whose sum is σ = 192103206. Its totient is φ = 64034400.

The previous prime is 128068783. The next prime is 128068819. The reversal of 128068802 is 208860821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 125910841 + 2157961 = 11221^2 + 1469^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32017199 + ... + 32017202.

Almost surely, 2^128068802 is an apocalyptic number.

128068802 is a deficient number, since it is larger than the sum of its proper divisors (64034404).

128068802 is an equidigital number, since it uses as much as digits as its factorization.

128068802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64034403.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 128068802 is about 11316.7487380431. The cubic root of 128068802 is about 504.0587007508.

The spelling of 128068802 in words is "one hundred twenty-eight million, sixty-eight thousand, eight hundred two".