128362842 has 24 divisors (see below), whose sum is σ = 285637716. Its totient is φ = 41630976.

The previous prime is 128362811. The next prime is 128362853. The reversal of 128362842 is 248263821.

128362842 is a `hidden beast` number, since 1 + 28 + 3 + 628 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86099841 + 42263001 = 9279^2 + 6501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 128362797 and 128362806.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95703 + ... + 97034.

Almost surely, 2^128362842 is an apocalyptic number.

128362842 is an abundant number, since it is smaller than the sum of its proper divisors (157274874).

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

128362842 is a wasteful number, since it uses less digits than its factorization.

128362842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192782 (or 192779 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 128362842 is about 11329.7326535095. The cubic root of 128362842 is about 504.4441709881. Note that the first 3 decimals are identical.

The spelling of 128362842 in words is "one hundred twenty-eight million, three hundred sixty-two thousand, eight hundred forty-two".