1123725056039 has 2 divisors, whose sum is σ = 1123725056040. Its totient is φ = 1123725056038.

The previous prime is 1123725056023. The next prime is 1123725056063. The reversal of 1123725056039 is 9306505273211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123725056039 - 2⁴ = 1123725056023 is a prime.

It is a super-3 number, since 3×1123725056039³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123725050039) 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, 561862528019 + 561862528020.

It is an arithmetic number, because the mean of its divisors is an integer number (561862528020).

Almost surely, 2^{1123725056039} is an apocalyptic number.

1123725056039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123725056039 is an equidigital number, since it uses as much as digits as its factorization.

1123725056039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 1123725056039 in words is "one trillion, one hundred twenty-three billion, seven hundred twenty-five million, fifty-six thousand, thirty-nine".