1044123354121 has 4 divisors (see below), whose sum is σ = 1044126980100. Its totient is φ = 1044119728144.

The previous prime is 1044123354119. The next prime is 1044123354149. The reversal of 1044123354121 is 1214533214401.

It is a happy number.

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 441852678400 + 602270675721 = 664720^2 + 776061^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044123354121 - 2¹ = 1044123354119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044123351121) 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, 1339906 + ... + 1970683.

It is an arithmetic number, because the mean of its divisors is an integer number (261031745025).

Almost surely, 2^{1044123354121} is an apocalyptic number.

It is an amenable number.

1044123354121 is a deficient number, since it is larger than the sum of its proper divisors (3625979).

1044123354121 is an equidigital number, since it uses as much as digits as its factorization.

1044123354121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625978.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1044123354121 its reverse (1214533214401), we get a palindrome (2258656568522).

The spelling of 1044123354121 in words is "one trillion, forty-four billion, one hundred twenty-three million, three hundred fifty-four thousand, one hundred twenty-one".