1143241300121 has 4 divisors (see below), whose sum is σ = 1145222654772. Its totient is φ = 1141259945472.

The previous prime is 1143241300099. The next prime is 1143241300181. The reversal of 1143241300121 is 1210031423411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 779468265625 + 363773034496 = 882875^2 + 603136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143241300121 is a prime.

It is a super-2 number, since 2×1143241300121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143241300181) 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, 990676460 + ... + 990677613.

It is an arithmetic number, because the mean of its divisors is an integer number (286305663693).

Almost surely, 2^{1143241300121} is an apocalyptic number.

It is an amenable number.

1143241300121 is a deficient number, since it is larger than the sum of its proper divisors (1981354651).

1143241300121 is an equidigital number, since it uses as much as digits as its factorization.

1143241300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981354650.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1143241300121 its reverse (1210031423411), we get a palindrome (2353272723532).

The spelling of 1143241300121 in words is "one trillion, one hundred forty-three billion, two hundred forty-one million, three hundred thousand, one hundred twenty-one".