120405285328 has 10 divisors (see below), whose sum is σ = 233285240354. Its totient is φ = 60202642656.

The previous prime is 120405285323. The next prime is 120405285347. The reversal of 120405285328 is 823582504021.

It can be written as a sum of positive squares in only one way, i.e., 104867164224 + 15538121104 = 323832^2 + 124652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120405285323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3762665151 + ... + 3762665182.

Almost surely, 2^120405285328 is an apocalyptic number.

It is an amenable number.

120405285328 is a deficient number, since it is larger than the sum of its proper divisors (112879955026).

120405285328 is an equidigital number, since it uses as much as digits as its factorization.

120405285328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7525330341 (or 7525330335 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

Adding to 120405285328 its reverse (823582504021), we get a palindrome (943987789349).

The spelling of 120405285328 in words is "one hundred twenty billion, four hundred five million, two hundred eighty-five thousand, three hundred twenty-eight".