128043362 has 4 divisors (see below), whose sum is σ = 192065046. Its totient is φ = 64021680.

The previous prime is 128043359. The next prime is 128043367. The reversal of 128043362 is 263340821.

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., 106523041 + 21520321 = 10321^2 + 4639^2 .

It is not an unprimeable number, because it can be changed into a prime (128043367) by changing a digit.

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 as a sum of consecutive naturals, namely, 32010839 + ... + 32010842.

Almost surely, 2^128043362 is an apocalyptic number.

128043362 is a deficient number, since it is larger than the sum of its proper divisors (64021684).

128043362 is an equidigital number, since it uses as much as digits as its factorization.

128043362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64021683.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 128043362 is about 11315.6246844794. The cubic root of 128043362 is about 504.0253225918.

The spelling of 128043362 in words is "one hundred twenty-eight million, forty-three thousand, three hundred sixty-two".