143260121 has 2 divisors, whose sum is σ = 143260122. Its totient is φ = 143260120.

The previous prime is 143260111. The next prime is 143260127. The reversal of 143260121 is 121062341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113720896 + 29539225 = 10664^2 + 5435^2 .

It is an emirp because it is prime and its reverse (121062341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143260121 - 2¹⁸ = 142997977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143260093 and 143260102.

It is not a weakly prime, because it can be changed into another prime (143260127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71630060 + 71630061.

It is an arithmetic number, because the mean of its divisors is an integer number (71630061).

Almost surely, 2^143260121 is an apocalyptic number.

It is an amenable number.

143260121 is a deficient number, since it is larger than the sum of its proper divisors (1).

143260121 is an equidigital number, since it uses as much as digits as its factorization.

143260121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 143260121 is about 11969.1320069586. The cubic root of 143260121 is about 523.2490371843.

The spelling of 143260121 in words is "one hundred forty-three million, two hundred sixty thousand, one hundred twenty-one".