242117727 has 32 divisors (see below), whose sum is σ = 339655680. Its totient is φ = 153279360.

The previous prime is 242117609. The next prime is 242117761. The reversal of 242117727 is 727711242.

It is not a de Polignac number, because 242117727 - 2²⁰ = 241069151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242117767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1337577 + ... + 1337757.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 2^242117727 is an apocalyptic number.

242117727 is a deficient number, since it is larger than the sum of its proper divisors (97537953).

242117727 is a wasteful number, since it uses less digits than its factorization.

242117727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463.

The product of its digits is 10976, while the sum is 33.

The square root of 242117727 is about 15560.1326151161. The cubic root of 242117727 is about 623.2690039771.

Adding to 242117727 its reverse (727711242), we get a palindrome (969828969).

The spelling of 242117727 in words is "two hundred forty-two million, one hundred seventeen thousand, seven hundred twenty-seven".