242130029 has 2 divisors, whose sum is σ = 242130030. Its totient is φ = 242130028.

The previous prime is 242130013. The next prime is 242130043. The reversal of 242130029 is 920031242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208802500 + 33327529 = 14450^2 + 5773^2 .

It is a cyclic number.

It is not a de Polignac number, because 242130029 - 2⁴ = 242130013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242129986 and 242130013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242130059) 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 as a sum of consecutive naturals, namely, 121065014 + 121065015.

It is an arithmetic number, because the mean of its divisors is an integer number (121065015).

Almost surely, 2^242130029 is an apocalyptic number.

It is an amenable number.

242130029 is a deficient number, since it is larger than the sum of its proper divisors (1).

242130029 is an equidigital number, since it uses as much as digits as its factorization.

242130029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 242130029 is about 15560.5279152090. The cubic root of 242130029 is about 623.2795598962.

The spelling of 242130029 in words is "two hundred forty-two million, one hundred thirty thousand, twenty-nine".