120428285896 has 32 divisors (see below), whose sum is σ = 233565857280. Its totient is φ = 58152038400.

The previous prime is 120428285839. The next prime is 120428285897. The reversal of 120428285896 is 698582824021.

It is not an unprimeable number, because it can be changed into a prime (120428285897) 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 in 7 ways as a sum of consecutive naturals, for example, 377785 + ... + 619336.

It is an arithmetic number, because the mean of its divisors is an integer number (7298933040).

Almost surely, 2^120428285896 is an apocalyptic number.

It is an amenable number.

120428285896 is a deficient number, since it is larger than the sum of its proper divisors (113137571384).

120428285896 is a wasteful number, since it uses less digits than its factorization.

120428285896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997645 (or 997641 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 120428285896 in words is "one hundred twenty billion, four hundred twenty-eight million, two hundred eighty-five thousand, eight hundred ninety-six".