850500120 has 32 divisors (see below), whose sum is σ = 2551500720. Its totient is φ = 226800000.

The previous prime is 850500071. The next prime is 850500143. The reversal of 850500120 is 21005058.

It is a congruent number.

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, 3543631 + ... + 3543870.

Almost surely, 2^850500120 is an apocalyptic number.

It is an amenable number.

850500120 is an abundant number, since it is smaller than the sum of its proper divisors (1701000600).

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

850500120 is a wasteful number, since it uses less digits than its factorization.

850500120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087515 (or 7087511 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 850500120 is about 29163.3352002133. The cubic root of 850500120 is about 947.4539842083.

Adding to 850500120 its reverse (21005058), we get a palindrome (871505178).

The spelling of 850500120 in words is "eight hundred fifty million, five hundred thousand, one hundred twenty".