1203123041129 has 2 divisors, whose sum is σ = 1203123041130. Its totient is φ = 1203123041128.

The previous prime is 1203123041089. The next prime is 1203123041177. The reversal of 1203123041129 is 9211403213021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120898625625 + 82224415504 = 1058725^2 + 286748^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203123041129 - 2²⁴ = 1203106263913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203123041929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601561520564 + 601561520565.

It is an arithmetic number, because the mean of its divisors is an integer number (601561520565).

Almost surely, 2^{1203123041129} is an apocalyptic number.

It is an amenable number.

1203123041129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203123041129 is an equidigital number, since it uses as much as digits as its factorization.

1203123041129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 1203123041129 in words is "one trillion, two hundred three billion, one hundred twenty-three million, forty-one thousand, one hundred twenty-nine".