120129875913503 has 2 divisors, whose sum is σ = 120129875913504. Its totient is φ = 120129875913502.

The previous prime is 120129875913497. The next prime is 120129875913517. The reversal of 120129875913503 is 305319578921021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120129875913503 - 2⁸ = 120129875913247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120129875913563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60064937956751 + 60064937956752.

It is an arithmetic number, because the mean of its divisors is an integer number (60064937956752).

Almost surely, 2^{120129875913503} is an apocalyptic number.

120129875913503 is a deficient number, since it is larger than the sum of its proper divisors (1).

120129875913503 is an equidigital number, since it uses as much as digits as its factorization.

120129875913503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 120129875913503 in words is "one hundred twenty trillion, one hundred twenty-nine billion, eight hundred seventy-five million, nine hundred thirteen thousand, five hundred three".