120856536 has 224 divisors, whose sum is σ = 382462560. Its totient is φ = 35582976.

The previous prime is 120856529. The next prime is 120856573. The reversal of 120856536 is 635658021.

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 120856536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2280286 + ... + 2280338.

Almost surely, 2^120856536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120856536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191231280).

120856536 is an abundant number, since it is smaller than the sum of its proper divisors (261606024).

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

120856536 is a wasteful number, since it uses less digits than its factorization.

120856536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 120856536 is about 10993.4769750066. The cubic root of 120856536 is about 494.4131889214.

The spelling of 120856536 in words is "one hundred twenty million, eight hundred fifty-six thousand, five hundred thirty-six".