242901 has 12 divisors (see below), whose sum is σ = 355212. Its totient is φ = 159936.

The previous prime is 242887. The next prime is 242911. The reversal of 242901 is 109242.

It can be written as a sum of positive squares in 2 ways, for example, as 202500 + 40401 = 450^2 + 201^2 .

It is not a de Polignac number, because 242901 - 2⁷ = 242773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1135 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (29601).

2²⁴²⁹⁰¹ is an apocalyptic number.

It is an amenable number.

242901 is a deficient number, since it is larger than the sum of its proper divisors (112311).

242901 is a wasteful number, since it uses less digits than its factorization.

242901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 242901 is about 492.8498757228. The cubic root of 242901 is about 62.3940391249.

The spelling of 242901 in words is "two hundred forty-two thousand, nine hundred one".