1045502143121 has 2 divisors, whose sum is σ = 1045502143122. Its totient is φ = 1045502143120.

The previous prime is 1045502143117. The next prime is 1045502143151. The reversal of 1045502143121 is 1213412055401.

It is a happy number.

1045502143121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1034158828096 + 11343315025 = 1016936^2 + 106505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045502143121 - 2² = 1045502143117 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045502143151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522751071560 + 522751071561.

It is an arithmetic number, because the mean of its divisors is an integer number (522751071561).

Almost surely, 2^{1045502143121} is an apocalyptic number.

It is an amenable number.

1045502143121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045502143121 is an equidigital number, since it uses as much as digits as its factorization.

1045502143121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1045502143121 its reverse (1213412055401), we get a palindrome (2258914198522).

The spelling of 1045502143121 in words is "one trillion, forty-five billion, five hundred two million, one hundred forty-three thousand, one hundred twenty-one".