141220129 has 2 divisors, whose sum is σ = 141220130. Its totient is φ = 141220128.

The previous prime is 141220117. The next prime is 141220171. The reversal of 141220129 is 921022141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121506529 + 19713600 = 11023^2 + 4440^2 .

It is a cyclic number.

It is not a de Polignac number, because 141220129 - 2¹⁷ = 141089057 is a prime.

It is not a weakly prime, because it can be changed into another prime (141220199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70610064 + 70610065.

It is an arithmetic number, because the mean of its divisors is an integer number (70610065).

Almost surely, 2^141220129 is an apocalyptic number.

It is an amenable number.

141220129 is a deficient number, since it is larger than the sum of its proper divisors (1).

141220129 is an equidigital number, since it uses as much as digits as its factorization.

141220129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 141220129 is about 11883.6075751432. The cubic root of 141220129 is about 520.7535045026.

The spelling of 141220129 in words is "one hundred forty-one million, two hundred twenty thousand, one hundred twenty-nine".