1123526730127 has 4 divisors (see below), whose sum is σ = 1130682951496. Its totient is φ = 1116370508760.

The previous prime is 1123526730121. The next prime is 1123526730149. The reversal of 1123526730127 is 7210376253211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123526730127 - 2³ = 1123526730119 is a prime.

It is a super-2 number, since 2×1123526730127² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123526730127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123526730121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578110449 + ... + 3578110762.

It is an arithmetic number, because the mean of its divisors is an integer number (282670737874).

Almost surely, 2^{1123526730127} is an apocalyptic number.

1123526730127 is a deficient number, since it is larger than the sum of its proper divisors (7156221369).

1123526730127 is an equidigital number, since it uses as much as digits as its factorization.

1123526730127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156221368.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 1123526730127 in words is "one trillion, one hundred twenty-three billion, five hundred twenty-six million, seven hundred thirty thousand, one hundred twenty-seven".