120843936 has 36 divisors (see below), whose sum is σ = 343650762. Its totient is φ = 40281216.

The previous prime is 120843901. The next prime is 120843949. The reversal of 120843936 is 639348021.

It can be written as a sum of positive squares in only one way, i.e., 120033936 + 810000 = 10956^2 + 900^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 120843936.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209511 + ... + 210086.

Almost surely, 2^120843936 is an apocalyptic number.

120843936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120843936 is an abundant number, since it is smaller than the sum of its proper divisors (222806826).

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

120843936 is a wasteful number, since it uses less digits than its factorization.

120843936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419613 (or 419602 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 120843936 is about 10992.9038929666. The cubic root of 120843936 is about 494.3960065031.

The spelling of 120843936 in words is "one hundred twenty million, eight hundred forty-three thousand, nine hundred thirty-six".