242718201 has 20 divisors (see below), whose sum is σ = 395542224. Its totient is φ = 147101400.

The previous prime is 242718193. The next prime is 242718221. The reversal of 242718201 is 102817242.

It is not a de Polignac number, because 242718201 - 2³ = 242718193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (242718221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 135315 + ... + 137096.

Almost surely, 2^242718201 is an apocalyptic number.

It is an amenable number.

242718201 is a deficient number, since it is larger than the sum of its proper divisors (152824023).

242718201 is a wasteful number, since it uses less digits than its factorization.

242718201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272434 (or 272425 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 242718201 is about 15579.4159389882. The cubic root of 242718201 is about 623.7838332230.

The spelling of 242718201 in words is "two hundred forty-two million, seven hundred eighteen thousand, two hundred one".