1243121010441 has 8 divisors (see below), whose sum is σ = 1657501048704. Its totient is φ = 828744156240.

The previous prime is 1243121010427. The next prime is 1243121010487. The reversal of 1243121010441 is 1440101213421.

It is a happy number.

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

It is not a de Polignac number, because 1243121010441 - 2¹⁷ = 1243120879369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1243121010841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351136 + ... + 1615406.

It is an arithmetic number, because the mean of its divisors is an integer number (207187631088).

Almost surely, 2^{1243121010441} is an apocalyptic number.

It is an amenable number.

1243121010441 is a deficient number, since it is larger than the sum of its proper divisors (414380038263).

1243121010441 is a wasteful number, since it uses less digits than its factorization.

1243121010441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592031.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1243121010441 its reverse (1440101213421), we get a palindrome (2683222223862).

The spelling of 1243121010441 in words is "one trillion, two hundred forty-three billion, one hundred twenty-one million, ten thousand, four hundred forty-one".