1123201440001 has 4 divisors (see below), whose sum is σ = 1123380385492. Its totient is φ = 1123022494512.

The previous prime is 1123201439981. The next prime is 1123201440007. The reversal of 1123201440001 is 1000441023211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 646293797776 + 476907642225 = 803924^2 + 690585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123201440001 - 2¹³ = 1123201431809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123201440007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89463330 + ... + 89475883.

It is an arithmetic number, because the mean of its divisors is an integer number (280845096373).

Almost surely, 2^{1123201440001} is an apocalyptic number.

It is an amenable number.

1123201440001 is a deficient number, since it is larger than the sum of its proper divisors (178945491).

1123201440001 is an equidigital number, since it uses as much as digits as its factorization.

1123201440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178945490.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1123201440001 its reverse (1000441023211), we get a palindrome (2123642463212).

The spelling of 1123201440001 in words is "one trillion, one hundred twenty-three billion, two hundred one million, four hundred forty thousand, one".