242442029 has 2 divisors, whose sum is σ = 242442030. Its totient is φ = 242442028.

The previous prime is 242441989. The next prime is 242442043. The reversal of 242442029 is 920244242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241180900 + 1261129 = 15530^2 + 1123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242442029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 242441992 and 242442010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242442089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121221014 + 121221015.

It is an arithmetic number, because the mean of its divisors is an integer number (121221015).

Almost surely, 2^242442029 is an apocalyptic number.

It is an amenable number.

242442029 is a deficient number, since it is larger than the sum of its proper divisors (1).

242442029 is an equidigital number, since it uses as much as digits as its factorization.

242442029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 242442029 is about 15570.5500545100. The cubic root of 242442029 is about 623.5471568249.

The spelling of 242442029 in words is "two hundred forty-two million, four hundred forty-two thousand, twenty-nine".