1123142746459 has 2 divisors, whose sum is σ = 1123142746460. Its totient is φ = 1123142746458.

The previous prime is 1123142746447. The next prime is 1123142746463. The reversal of 1123142746459 is 9546472413211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123142746459 - 2³⁷ = 985703792987 is a prime.

It is a super-2 number, since 2×1123142746459² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123142744459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561571373229 + 561571373230.

It is an arithmetic number, because the mean of its divisors is an integer number (561571373230).

Almost surely, 2^{1123142746459} is an apocalyptic number.

1123142746459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123142746459 is an equidigital number, since it uses as much as digits as its factorization.

1123142746459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The spelling of 1123142746459 in words is "one trillion, one hundred twenty-three billion, one hundred forty-two million, seven hundred forty-six thousand, four hundred fifty-nine".