120654280 has 32 divisors (see below), whose sum is σ = 273972600. Its totient is φ = 47817216.

The previous prime is 120654257. The next prime is 120654319. The reversal of 120654280 is 82456021.

It can be written as a sum of positive squares in 4 ways, for example, as 69588964 + 51065316 = 8342^2 + 7146^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9477 + ... + 18196.

Almost surely, 2^120654280 is an apocalyptic number.

120654280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120654280 is an abundant number, since it is smaller than the sum of its proper divisors (153318320).

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

120654280 is a wasteful number, since it uses less digits than its factorization.

120654280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27793 (or 27789 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 120654280 is about 10984.2742136201. The cubic root of 120654280 is about 494.1372312388.

The spelling of 120654280 in words is "one hundred twenty million, six hundred fifty-four thousand, two hundred eighty".