242781105 has 16 divisors (see below), whose sum is σ = 443942784. Its totient is φ = 110985600.

The previous prime is 242781103. The next prime is 242781109. The reversal of 242781105 is 501187242.

It is not a de Polignac number, because 242781105 - 2¹ = 242781103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242781103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155996 + ... + 1156205.

It is an arithmetic number, because the mean of its divisors is an integer number (27746424).

Almost surely, 2^242781105 is an apocalyptic number.

It is an amenable number.

242781105 is a deficient number, since it is larger than the sum of its proper divisors (201161679).

242781105 is a wasteful number, since it uses less digits than its factorization.

242781105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312216.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 242781105 is about 15581.4346258616. The cubic root of 242781105 is about 623.8377161606.

The spelling of 242781105 in words is "two hundred forty-two million, seven hundred eighty-one thousand, one hundred five".