542606123 has 8 divisors (see below), whose sum is σ = 573875520. Its totient is φ = 511607880.

The previous prime is 542606107. The next prime is 542606167. The reversal of 542606123 is 321606245.

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 542606123 - 2⁴ = 542606107 is a prime.

It is a super-2 number, since 2×542606123² = 588842809434182258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542666123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63665 + ... + 71682.

It is an arithmetic number, because the mean of its divisors is an integer number (71734440).

Almost surely, 2^542606123 is an apocalyptic number.

542606123 is a deficient number, since it is larger than the sum of its proper divisors (31269397).

542606123 is a wasteful number, since it uses less digits than its factorization.

542606123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135577.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 542606123 is about 23293.9074223283. The cubic root of 542606123 is about 815.6332028221.

The spelling of 542606123 in words is "five hundred forty-two million, six hundred six thousand, one hundred twenty-three".