120385278 has 40 divisors (see below), whose sum is σ = 290507448. Its totient is φ = 37040976.

The previous prime is 120385271. The next prime is 120385297. The reversal of 120385278 is 872583021.

120385278 is a `hidden beast` number, since 1 + 2 + 0 + 385 + 278 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120385271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26476 + ... + 30687.

Almost surely, 2^120385278 is an apocalyptic number.

120385278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120385278 is an abundant number, since it is smaller than the sum of its proper divisors (170122170).

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

120385278 is a wasteful number, since it uses less digits than its factorization.

120385278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57190 (or 57181 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 120385278 is about 10972.0225118252. The cubic root of 120385278 is about 493.7697271828.

The spelling of 120385278 in words is "one hundred twenty million, three hundred eighty-five thousand, two hundred seventy-eight".