242036129 has 4 divisors (see below), whose sum is σ = 248577684. Its totient is φ = 235494576.

The previous prime is 242036101. The next prime is 242036147. The reversal of 242036129 is 921630242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178275904 + 63760225 = 13352^2 + 7985^2 .

It is a cyclic number.

It is not a de Polignac number, because 242036129 - 2²⁰ = 240987553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242036029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3270722 + ... + 3270795.

It is an arithmetic number, because the mean of its divisors is an integer number (62144421).

Almost surely, 2^242036129 is an apocalyptic number.

It is an amenable number.

242036129 is a deficient number, since it is larger than the sum of its proper divisors (6541555).

242036129 is an equidigital number, since it uses as much as digits as its factorization.

242036129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541554.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 242036129 is about 15557.5103728071. The cubic root of 242036129 is about 623.1989785130.

The spelling of 242036129 in words is "two hundred forty-two million, thirty-six thousand, one hundred twenty-nine".