242653121602 has 4 divisors (see below), whose sum is σ = 363979682406. Its totient is φ = 121326560800.

The previous prime is 242653121587. The next prime is 242653121617. The reversal of 242653121602 is 206121356242.

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

It is an interprime number because it is at equal distance from previous prime (242653121587) and next prime (242653121617).

It can be written as a sum of positive squares in only one way, i.e., 165168275281 + 77484846321 = 406409^2 + 278361^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 60663280399 + ... + 60663280402.

Almost surely, 2^242653121602 is an apocalyptic number.

242653121602 is a deficient number, since it is larger than the sum of its proper divisors (121326560804).

242653121602 is a wasteful number, since it uses less digits than its factorization.

242653121602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121326560803.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 242653121602 its reverse (206121356242), we get a palindrome (448774477844).

The spelling of 242653121602 in words is "two hundred forty-two billion, six hundred fifty-three million, one hundred twenty-one thousand, six hundred two".