242851245121 has 4 divisors (see below), whose sum is σ = 242861976000. Its totient is φ = 242840514244.

The previous prime is 242851245079. The next prime is 242851245127. The reversal of 242851245121 is 121542158242.

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 a cyclic number.

It is not a de Polignac number, because 242851245121 - 2²¹ = 242849147969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242851245127) 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, 5331421 + ... + 5376778.

It is an arithmetic number, because the mean of its divisors is an integer number (60715494000).

Almost surely, 2^242851245121 is an apocalyptic number.

It is an amenable number.

242851245121 is a deficient number, since it is larger than the sum of its proper divisors (10730879).

242851245121 is a wasteful number, since it uses less digits than its factorization.

242851245121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10730878.

The product of its digits is 51200, while the sum is 37.

The spelling of 242851245121 in words is "two hundred forty-two billion, eight hundred fifty-one million, two hundred forty-five thousand, one hundred twenty-one".