242102687 has 8 divisors (see below), whose sum is σ = 250739712. Its totient is φ = 233611000.

The previous prime is 242102681. The next prime is 242102699. The reversal of 242102687 is 786201242.

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 242102687 - 2⁸ = 242102431 is a prime.

It is a super-2 number, since 2×242102687² = 117227422105239938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242102681) 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, 32939 + ... + 39612.

It is an arithmetic number, because the mean of its divisors is an integer number (31342464).

Almost surely, 2^242102687 is an apocalyptic number.

242102687 is a deficient number, since it is larger than the sum of its proper divisors (8637025).

242102687 is an equidigital number, since it uses as much as digits as its factorization.

242102687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72669.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 242102687 is about 15559.6493212411. The cubic root of 242102687 is about 623.2560981894.

The spelling of 242102687 in words is "two hundred forty-two million, one hundred two thousand, six hundred eighty-seven".