120333556 has 12 divisors (see below), whose sum is σ = 240667168. Its totient is φ = 51571512.

The previous prime is 120333553. The next prime is 120333559. The reversal of 120333556 is 655333021.

It is an interprime number because it is at equal distance from previous prime (120333553) and next prime (120333559).

120333556 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4297627 = 120333556 / (1 + 2 + 0 + 3 + 3 + 3 + 5 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120333553) 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 3 ways as a sum of consecutive naturals, for example, 2148786 + ... + 2148841.

Almost surely, 2^120333556 is an apocalyptic number.

It is an amenable number.

120333556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120333556 is a wasteful number, since it uses less digits than its factorization.

120333556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297638 (or 4297636 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 120333556 is about 10969.6652638082. The cubic root of 120333556 is about 493.6990030970.

Adding to 120333556 its reverse (655333021), we get a palindrome (775666577).

The spelling of 120333556 in words is "one hundred twenty million, three hundred thirty-three thousand, five hundred fifty-six".