120266478 has 32 divisors (see below), whose sum is σ = 270928800. Its totient is φ = 39538368.

The previous prime is 120266459. The next prime is 120266513. The reversal of 120266478 is 874662021.

120266478 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 6 + 647 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11313 + ... + 19196.

It is an arithmetic number, because the mean of its divisors is an integer number (8466525).

Almost surely, 2^120266478 is an apocalyptic number.

120266478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120266478 is an abundant number, since it is smaller than the sum of its proper divisors (150662322).

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

120266478 is a wasteful number, since it uses less digits than its factorization.

120266478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30593 (or 30587 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 120266478 is about 10966.6074061215. The cubic root of 120266478 is about 493.6072511975.

The spelling of 120266478 in words is "one hundred twenty million, two hundred sixty-six thousand, four hundred seventy-eight".