242100503 has 2 divisors, whose sum is σ = 242100504. Its totient is φ = 242100502.

The previous prime is 242100479. The next prime is 242100533. The reversal of 242100503 is 305001242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242100503 - 2¹⁴ = 242084119 is a prime.

It is a super-2 number, since 2×242100503² = 117225307105706018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242100533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121050251 + 121050252.

It is an arithmetic number, because the mean of its divisors is an integer number (121050252).

Almost surely, 2^242100503 is an apocalyptic number.

242100503 is a deficient number, since it is larger than the sum of its proper divisors (1).

242100503 is an equidigital number, since it uses as much as digits as its factorization.

242100503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 242100503 is about 15559.5791395526. The cubic root of 242100503 is about 623.2542240598.

Adding to 242100503 its reverse (305001242), we get a palindrome (547101745).

The spelling of 242100503 in words is "two hundred forty-two million, one hundred thousand, five hundred three".