542420117 has 8 divisors (see below), whose sum is σ = 546947520. Its totient is φ = 537901920.

The previous prime is 542420101. The next prime is 542420161. The reversal of 542420117 is 711024245.

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 542420117 - 2⁴ = 542420101 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 (542420317) 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, 164192 + ... + 167462.

It is an arithmetic number, because the mean of its divisors is an integer number (68368440).

Almost surely, 2^542420117 is an apocalyptic number.

It is an amenable number.

542420117 is a deficient number, since it is larger than the sum of its proper divisors (4527403).

542420117 is a wasteful number, since it uses less digits than its factorization.

542420117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 542420117 is about 23289.9144910410. The cubic root of 542420117 is about 815.5399921719.

The spelling of 542420117 in words is "five hundred forty-two million, four hundred twenty thousand, one hundred seventeen".