242063121 has 4 divisors (see below), whose sum is σ = 322750832. Its totient is φ = 161375412.

The previous prime is 242063111. The next prime is 242063123. The reversal of 242063121 is 121360242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 242063121 - 2¹⁵ = 242030353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242063123) 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, 40343851 + ... + 40343856.

It is an arithmetic number, because the mean of its divisors is an integer number (80687708).

Almost surely, 2^242063121 is an apocalyptic number.

It is an amenable number.

242063121 is a deficient number, since it is larger than the sum of its proper divisors (80687711).

242063121 is an equidigital number, since it uses as much as digits as its factorization.

242063121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80687710.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 242063121 is about 15558.3778396078. The cubic root of 242063121 is about 623.2221441476. Note that the first 3 decimals are identical.

The spelling of 242063121 in words is "two hundred forty-two million, sixty-three thousand, one hundred twenty-one".