141221273 has 2 divisors, whose sum is σ = 141221274. Its totient is φ = 141221272.

The previous prime is 141221221. The next prime is 141221291. The reversal of 141221273 is 372122141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140114569 + 1106704 = 11837^2 + 1052^2 .

It is an emirp because it is prime and its reverse (372122141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141221273 - 2¹⁶ = 141155737 is a prime.

It is not a weakly prime, because it can be changed into another prime (141221293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70610636 + 70610637.

It is an arithmetic number, because the mean of its divisors is an integer number (70610637).

Almost surely, 2^141221273 is an apocalyptic number.

It is an amenable number.

141221273 is a deficient number, since it is larger than the sum of its proper divisors (1).

141221273 is an equidigital number, since it uses as much as digits as its factorization.

141221273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 141221273 is about 11883.6557085772. The cubic root of 141221273 is about 520.7549106770.

The spelling of 141221273 in words is "one hundred forty-one million, two hundred twenty-one thousand, two hundred seventy-three".