242861056 has 33 divisors (see below), whose sum is σ = 486483879. Its totient is φ = 121181184.

The previous prime is 242861053. The next prime is 242861057. The reversal of 242861056 is 650168242.

The square root of 242861056 is 15584.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242861053) 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 2 ways as a sum of consecutive naturals, for example, 498445 + ... + 498931.

Almost surely, 2^242861056 is an apocalyptic number.

242861056 is the 15584-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242861056

242861056 is an abundant number, since it is smaller than the sum of its proper divisors (243622823).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242861056 is an frugal number, since it uses more digits than its factorization.

242861056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The cubic root of 242861056 is about 623.9061879571.

The spelling of 242861056 in words is "two hundred forty-two million, eight hundred sixty-one thousand, fifty-six".