800142128 has 20 divisors (see below), whose sum is σ = 1641468600. Its totient is φ = 376537344.

The previous prime is 800142121. The next prime is 800142137. The reversal of 800142128 is 821241008.

800142128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 800142097 and 800142106.

It is not an unprimeable number, because it can be changed into a prime (800142121) 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, 1470578 + ... + 1471121.

It is an arithmetic number, because the mean of its divisors is an integer number (82073430).

Almost surely, 2^800142128 is an apocalyptic number.

It is an amenable number.

800142128 is an abundant number, since it is smaller than the sum of its proper divisors (841326472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800142128 is a wasteful number, since it uses less digits than its factorization.

800142128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941724 (or 2941718 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 800142128 is about 28286.7836276944. The cubic root of 800142128 is about 928.3727384454.

The spelling of 800142128 in words is "eight hundred million, one hundred forty-two thousand, one hundred twenty-eight".