1041223543121 has 8 divisors (see below), whose sum is σ = 1102542273000. Its totient is φ = 979912622848.

The previous prime is 1041223543097. The next prime is 1041223543141. The reversal of 1041223543121 is 1213453221401.

It is a happy number.

1041223543121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37994896 + 1041185548225 = 6164^2 + 1020385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1041223543121 - 2⁶ = 1041223543057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1041223543141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676786 + ... + 2212251.

It is an arithmetic number, because the mean of its divisors is an integer number (137817784125).

Almost surely, 2^{1041223543121} is an apocalyptic number.

It is an amenable number.

1041223543121 is a deficient number, since it is larger than the sum of its proper divisors (61318729879).

1041223543121 is a wasteful number, since it uses less digits than its factorization.

1041223543121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904803.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1041223543121 its reverse (1213453221401), we get a palindrome (2254676764522).

The spelling of 1041223543121 in words is "one trillion, forty-one billion, two hundred twenty-three million, five hundred forty-three thousand, one hundred twenty-one".