120845736 has 128 divisors (see below), whose sum is σ = 369532800. Its totient is φ = 36288000.

The previous prime is 120845731. The next prime is 120845773. The reversal of 120845736 is 637548021.

120845736 is a `hidden beast` number, since 1 + 2 + 0 + 84 + 573 + 6 = 666.

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 120845736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120845731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429916 + ... + 430196.

It is an arithmetic number, because the mean of its divisors is an integer number (2886975).

Almost surely, 2^120845736 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 120845736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184766400).

120845736 is an abundant number, since it is smaller than the sum of its proper divisors (248687064).

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

120845736 is a wasteful number, since it uses less digits than its factorization.

120845736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 120845736 is about 10992.9857636586. The cubic root of 120845736 is about 494.3984612074.

The spelling of 120845736 in words is "one hundred twenty million, eight hundred forty-five thousand, seven hundred thirty-six".