242180203 has 2 divisors, whose sum is σ = 242180204. Its totient is φ = 242180202.

The previous prime is 242180167. The next prime is 242180209. The reversal of 242180203 is 302081242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242180203 is a prime.

It is not a weakly prime, because it can be changed into another prime (242180209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121090101 + 121090102.

It is an arithmetic number, because the mean of its divisors is an integer number (121090102).

Almost surely, 2^242180203 is an apocalyptic number.

242180203 is a deficient number, since it is larger than the sum of its proper divisors (1).

242180203 is an equidigital number, since it uses as much as digits as its factorization.

242180203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 242180203 is about 15562.1400520622. The cubic root of 242180203 is about 623.3226087612.

The spelling of 242180203 in words is "two hundred forty-two million, one hundred eighty thousand, two hundred three".