242540103 has 16 divisors (see below), whose sum is σ = 348553856. Its totient is φ = 149130720.

The previous prime is 242540101. The next prime is 242540107. The reversal of 242540103 is 301045242.

It is not a de Polignac number, because 242540103 - 2¹ = 242540101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242540103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242540101) 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 15 ways as a sum of consecutive naturals, for example, 71148 + ... + 74478.

It is an arithmetic number, because the mean of its divisors is an integer number (21784616).

Almost surely, 2^242540103 is an apocalyptic number.

242540103 is a deficient number, since it is larger than the sum of its proper divisors (106013753).

242540103 is a wasteful number, since it uses less digits than its factorization.

242540103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 242540103 is about 15573.6990788958. The cubic root of 242540103 is about 623.6312257463.

Adding to 242540103 its reverse (301045242), we get a palindrome (543585345).

The spelling of 242540103 in words is "two hundred forty-two million, five hundred forty thousand, one hundred three".