120404646 has 12 divisors (see below), whose sum is σ = 260876772. Its totient is φ = 40134876.

The previous prime is 120404617. The next prime is 120404657. The reversal of 120404646 is 646404021.

120404646 is a `hidden beast` number, since 12 + 0 + 4 + 0 + 4 + 646 = 666.

It is a congruent number.

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, 3344556 + ... + 3344591.

It is an arithmetic number, because the mean of its divisors is an integer number (21739731).

Almost surely, 2^120404646 is an apocalyptic number.

120404646 is an abundant number, since it is smaller than the sum of its proper divisors (140472126).

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

120404646 is a wasteful number, since it uses less digits than its factorization.

120404646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689155 (or 6689152 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 120404646 is about 10972.9050847986. The cubic root of 120404646 is about 493.7962055568.

Adding to 120404646 its reverse (646404021), we get a palindrome (766808667).

The spelling of 120404646 in words is "one hundred twenty million, four hundred four thousand, six hundred forty-six".