120822786 has 64 divisors (see below), whose sum is σ = 323020800. Its totient is φ = 32701968.

The previous prime is 120822781. The next prime is 120822799. The reversal of 120822786 is 687228021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120822786.

It is not an unprimeable number, because it can be changed into a prime (120822781) 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, 1230 + ... + 15593.

It is an arithmetic number, because the mean of its divisors is an integer number (5047200).

Almost surely, 2^120822786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120822786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161510400).

120822786 is an abundant number, since it is smaller than the sum of its proper divisors (202198014).

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

120822786 is a wasteful number, since it uses less digits than its factorization.

120822786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16860 (or 16854 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 120822786 is about 10991.9418666585. The cubic root of 120822786 is about 494.3671619013.

The spelling of 120822786 in words is "one hundred twenty million, eight hundred twenty-two thousand, seven hundred eighty-six".