542122111 has 8 divisors (see below), whose sum is σ = 553984704. Its totient is φ = 530273280.

The previous prime is 542122109. The next prime is 542122123. The reversal of 542122111 is 111221245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542122111 - 2¹ = 542122109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542122171) 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 7 ways as a sum of consecutive naturals, for example, 141031 + ... + 144823.

It is an arithmetic number, because the mean of its divisors is an integer number (69248088).

Almost surely, 2^542122111 is an apocalyptic number.

542122111 is a deficient number, since it is larger than the sum of its proper divisors (11862593).

542122111 is a wasteful number, since it uses less digits than its factorization.

542122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its digits is 160, while the sum is 19.

The square root of 542122111 is about 23283.5158642332. The cubic root of 542122111 is about 815.3906120605.

Adding to 542122111 its reverse (111221245), we get a palindrome (653343356).

The spelling of 542122111 in words is "five hundred forty-two million, one hundred twenty-two thousand, one hundred eleven".