120678280 has 32 divisors (see below), whose sum is σ = 280891800. Its totient is φ = 46606336.

The previous prime is 120678227. The next prime is 120678287. The reversal of 120678280 is 82876021.

It can be written as a sum of positive squares in 4 ways, for example, as 93199716 + 27478564 = 9654^2 + 5242^2 .

It is not an unprimeable number, because it can be changed into a prime (120678287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50857 + ... + 53176.

Almost surely, 2^120678280 is an apocalyptic number.

120678280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120678280 is an abundant number, since it is smaller than the sum of its proper divisors (160213520).

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

120678280 is a wasteful number, since it uses less digits than its factorization.

120678280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104073 (or 104069 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 120678280 is about 10985.3666302040. The cubic root of 120678280 is about 494.1699929093.

The spelling of 120678280 in words is "one hundred twenty million, six hundred seventy-eight thousand, two hundred eighty".