120543853428 has 24 divisors (see below), whose sum is σ = 312521101760. Its totient is φ = 40181284440.

The previous prime is 120543853427. The next prime is 120543853457. The reversal of 120543853428 is 824358345021.

120543853428 is a `hidden beast` number, since 1 + 2 + 0 + 543 + 85 + 3 + 4 + 28 = 666.

It is a super-2 number, since 2×120543853428² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120543853427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558073288 + ... + 558073503.

Almost surely, 2^120543853428 is an apocalyptic number.

120543853428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

120543853428 is an abundant number, since it is smaller than the sum of its proper divisors (191977248332).

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

120543853428 is a wasteful number, since it uses less digits than its factorization.

120543853428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116146804 (or 1116146796 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 120543853428 in words is "one hundred twenty billion, five hundred forty-three million, eight hundred fifty-three thousand, four hundred twenty-eight".