842701128 has 32 divisors (see below), whose sum is σ = 2130429600. Its totient is φ = 277743488.

The previous prime is 842701103. The next prime is 842701133. The reversal of 842701128 is 821107248.

It is a happy number.

It is a super-3 number, since 3×842701128³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195126 + ... + 199397.

It is an arithmetic number, because the mean of its divisors is an integer number (66575925).

Almost surely, 2^842701128 is an apocalyptic number.

It is an amenable number.

842701128 is an abundant number, since it is smaller than the sum of its proper divisors (1287728472).

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

842701128 is a wasteful number, since it uses less digits than its factorization.

842701128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394621 (or 394617 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 842701128 is about 29029.3149764165. The cubic root of 842701128 is about 944.5490707168.

The spelling of 842701128 in words is "eight hundred forty-two million, seven hundred one thousand, one hundred twenty-eight".