542152540122 has 16 divisors (see below), whose sum is σ = 1084840035552. Its totient is φ = 180628354160.

The previous prime is 542152540117. The next prime is 542152540129. The reversal of 542152540122 is 221045251245.

It is not an unprimeable number, because it can be changed into a prime (542152540129) 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, 22276629 + ... + 22300952.

It is an arithmetic number, because the mean of its divisors is an integer number (67802502222).

Almost surely, 2^542152540122 is an apocalyptic number.

542152540122 is an abundant number, since it is smaller than the sum of its proper divisors (542687495430).

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

542152540122 is a wasteful number, since it uses less digits than its factorization.

542152540122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44579613.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 542152540122 its reverse (221045251245), we get a palindrome (763197791367).

The spelling of 542152540122 in words is "five hundred forty-two billion, one hundred fifty-two million, five hundred forty thousand, one hundred twenty-two".