242440103 has 4 divisors (see below), whose sum is σ = 246058680. Its totient is φ = 238821528.

The previous prime is 242440091. The next prime is 242440109. The reversal of 242440103 is 301044242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301044242 = 2 ⋅150522121.

It is a cyclic number.

It is not a de Polignac number, because 242440103 - 2⁶ = 242440039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242440109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1809188 + ... + 1809321.

It is an arithmetic number, because the mean of its divisors is an integer number (61514670).

Almost surely, 2^242440103 is an apocalyptic number.

242440103 is a deficient number, since it is larger than the sum of its proper divisors (3618577).

242440103 is an equidigital number, since it uses as much as digits as its factorization.

242440103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618576.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 242440103 is about 15570.4882068611. The cubic root of 242440103 is about 623.5455056329.

Adding to 242440103 its reverse (301044242), we get a palindrome (543484345).

The spelling of 242440103 in words is "two hundred forty-two million, four hundred forty thousand, one hundred three".