242111039 has 4 divisors (see below), whose sum is σ = 244508280. Its totient is φ = 239713800.

The previous prime is 242111033. The next prime is 242111101. The reversal of 242111039 is 930111242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242111039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242111033) 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 in 3 ways as a sum of consecutive naturals, for example, 1198469 + ... + 1198670.

It is an arithmetic number, because the mean of its divisors is an integer number (61127070).

Almost surely, 2^242111039 is an apocalyptic number.

242111039 is a deficient number, since it is larger than the sum of its proper divisors (2397241).

242111039 is a wasteful number, since it uses less digits than its factorization.

242111039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397240.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 242111039 is about 15559.9177054379. The cubic root of 242111039 is about 623.2632650864.

The spelling of 242111039 in words is "two hundred forty-two million, one hundred eleven thousand, thirty-nine".