120804534 has 24 divisors (see below), whose sum is σ = 271438440. Its totient is φ = 40268016.

The previous prime is 120804503. The next prime is 120804539. The reversal of 120804534 is 435408021.

120804534 is a `hidden beast` number, since 1 + 208 + 0 + 453 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 120804498 and 120804507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120804539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123799 + ... + 124770.

It is an arithmetic number, because the mean of its divisors is an integer number (11309935).

Almost surely, 2^120804534 is an apocalyptic number.

120804534 is an abundant number, since it is smaller than the sum of its proper divisors (150633906).

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

120804534 is an equidigital number, since it uses as much as digits as its factorization.

120804534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248586 (or 248574 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 120804534 is about 10991.1115907355. Note that the first 3 decimals coincide. The cubic root of 120804534 is about 494.3422669177.

The spelling of 120804534 in words is "one hundred twenty million, eight hundred four thousand, five hundred thirty-four".