420141203042129 has 2 divisors, whose sum is σ = 420141203042130. Its totient is φ = 420141203042128.

The previous prime is 420141203042111. The next prime is 420141203042153. The reversal of 420141203042129 is 921240302141024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402790770843904 + 17350432198225 = 20069648^2 + 4165385^2 .

It is a cyclic number.

It is not a de Polignac number, because 420141203042129 - 2⁸ = 420141203041873 is a prime.

It is not a weakly prime, because it can be changed into another prime (420141203042179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210070601521064 + 210070601521065.

It is an arithmetic number, because the mean of its divisors is an integer number (210070601521065).

Almost surely, 2^{420141203042129} is an apocalyptic number.

It is an amenable number.

420141203042129 is a deficient number, since it is larger than the sum of its proper divisors (1).

420141203042129 is an equidigital number, since it uses as much as digits as its factorization.

420141203042129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 420141203042129 in words is "four hundred twenty trillion, one hundred forty-one billion, two hundred three million, forty-two thousand, one hundred twenty-nine".