242737129 has 2 divisors, whose sum is σ = 242737130. Its totient is φ = 242737128.

The previous prime is 242737123. The next prime is 242737133. The reversal of 242737129 is 921737242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242736400 + 729 = 15580^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 242737129 - 2⁹ = 242736617 is a prime.

It is not a weakly prime, because it can be changed into another prime (242737123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121368564 + 121368565.

It is an arithmetic number, because the mean of its divisors is an integer number (121368565).

Almost surely, 2^242737129 is an apocalyptic number.

It is an amenable number.

242737129 is a deficient number, since it is larger than the sum of its proper divisors (1).

242737129 is an equidigital number, since it uses as much as digits as its factorization.

242737129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 242737129 is about 15580.0233953611. The cubic root of 242737129 is about 623.8000477377.

The spelling of 242737129 in words is "two hundred forty-two million, seven hundred thirty-seven thousand, one hundred twenty-nine".