1123725056042 has 16 divisors (see below), whose sum is σ = 1707162512640. Its totient is φ = 554672871792.

The previous prime is 1123725056039. The next prime is 1123725056063. The reversal of 1123725056042 is 2406505273211.

It is a junction number, because it is equal to n+sod(n) for n = 1123725055987 and 1123725056005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646643 + ... + 1632665.

It is an arithmetic number, because the mean of its divisors is an integer number (106697657040).

Almost surely, 2^{1123725056042} is an apocalyptic number.

1123725056042 is a deficient number, since it is larger than the sum of its proper divisors (583437456598).

1123725056042 is an equidigital number, since it uses as much as digits as its factorization.

1123725056042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993317.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 1123725056042 in words is "one trillion, one hundred twenty-three billion, seven hundred twenty-five million, fifty-six thousand, forty-two".