1040043013129 has 2 divisors, whose sum is σ = 1040043013130. Its totient is φ = 1040043013128.

The previous prime is 1040043013103. The next prime is 1040043013151. The reversal of 1040043013129 is 9213103400401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 767717678025 + 272325335104 = 876195^2 + 521848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040043013129 - 2¹⁷ = 1040042882057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040043013097 and 1040043013106.

It is not a weakly prime, because it can be changed into another prime (1040043013169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520021506564 + 520021506565.

It is an arithmetic number, because the mean of its divisors is an integer number (520021506565).

Almost surely, 2^{1040043013129} is an apocalyptic number.

It is an amenable number.

1040043013129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040043013129 is an equidigital number, since it uses as much as digits as its factorization.

1040043013129 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 28.

The spelling of 1040043013129 in words is "one trillion, forty billion, forty-three million, thirteen thousand, one hundred twenty-nine".