120284556 has 24 divisors (see below), whose sum is σ = 320759040. Its totient is φ = 34366992.

The previous prime is 120284551. The next prime is 120284561. The reversal of 120284556 is 655482021.

It is an interprime number because it is at equal distance from previous prime (120284551) and next prime (120284561).

It is not an unprimeable number, because it can be changed into a prime (120284551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715896 + ... + 716063.

It is an arithmetic number, because the mean of its divisors is an integer number (13364960).

Almost surely, 2^120284556 is an apocalyptic number.

It is an amenable number.

120284556 is an abundant number, since it is smaller than the sum of its proper divisors (200474484).

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

120284556 is a wasteful number, since it uses less digits than its factorization.

120284556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431973 (or 1431971 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 120284556 is about 10967.4316045280. The cubic root of 120284556 is about 493.6319823472.

It can be divided in two parts, 1202 and 84556, that added together give a palindrome (85758).

The spelling of 120284556 in words is "one hundred twenty million, two hundred eighty-four thousand, five hundred fifty-six".