542522120 has 96 divisors (see below), whose sum is σ = 1458541080. Its totient is φ = 180956160.

The previous prime is 542522119. The next prime is 542522129. The reversal of 542522120 is 21225245.

It can be written as a sum of positive squares in 4 ways, for example, as 542051524 + 470596 = 23282^2 + 686^2 .

It is not an unprimeable number, because it can be changed into a prime (542522129) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 68780 + ... + 76260.

Almost surely, 2^542522120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542522120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729270540).

542522120 is an abundant number, since it is smaller than the sum of its proper divisors (916018960).

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

542522120 is a wasteful number, since it uses less digits than its factorization.

542522120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543 (or 7532 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 542522120 is about 23292.1042415665. The cubic root of 542522120 is about 815.5911101825.

Adding to 542522120 its reverse (21225245), we get a palindrome (563747365).

The spelling of 542522120 in words is "five hundred forty-two million, five hundred twenty-two thousand, one hundred twenty".