120664228 has 24 divisors (see below), whose sum is σ = 216203904. Its totient is φ = 58898400.

The previous prime is 120664207. The next prime is 120664241. The reversal of 120664228 is 822466021.

It is a self number, because there is not a number n which added to its sum of digits gives 120664228.

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, 123783 + ... + 124753.

It is an arithmetic number, because the mean of its divisors is an integer number (9008496).

Almost surely, 2^120664228 is an apocalyptic number.

It is an amenable number.

120664228 is a deficient number, since it is larger than the sum of its proper divisors (95539676).

120664228 is a wasteful number, since it uses less digits than its factorization.

120664228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 120664228 is about 10984.7270334770. The cubic root of 120664228 is about 494.1508114784.

The spelling of 120664228 in words is "one hundred twenty million, six hundred sixty-four thousand, two hundred twenty-eight".