242187299 has 8 divisors (see below), whose sum is σ = 245268192. Its totient is φ = 239120640.

The previous prime is 242187293. The next prime is 242187313. The reversal of 242187299 is 992781242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242187299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242187293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33029 + ... + 39689.

It is an arithmetic number, because the mean of its divisors is an integer number (30658524).

Almost surely, 2^242187299 is an apocalyptic number.

242187299 is a deficient number, since it is larger than the sum of its proper divisors (3080893).

242187299 is a wasteful number, since it uses less digits than its factorization.

242187299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117.

The product of its digits is 145152, while the sum is 44.

The square root of 242187299 is about 15562.3680396012. The cubic root of 242187299 is about 623.3286965889.

The spelling of 242187299 in words is "two hundred forty-two million, one hundred eighty-seven thousand, two hundred ninety-nine".