1244421605141 has 16 divisors (see below), whose sum is σ = 1467666502848. Its totient is φ = 1040206540800.

The previous prime is 1244421605123. The next prime is 1244421605173. The reversal of 1244421605141 is 1415061244421.

It is a cyclic number.

It is not a de Polignac number, because 1244421605141 - 2¹⁰ = 1244421604117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244421605191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16893695 + ... + 16967196.

It is an arithmetic number, because the mean of its divisors is an integer number (91729156428).

Almost surely, 2^{1244421605141} is an apocalyptic number.

1244421605141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1244421605141 is a deficient number, since it is larger than the sum of its proper divisors (223244897707).

1244421605141 is a wasteful number, since it uses less digits than its factorization.

1244421605141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33861172.

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 1244421605141 its reverse (1415061244421), we get a palindrome (2659482849562).

The spelling of 1244421605141 in words is "one trillion, two hundred forty-four billion, four hundred twenty-one million, six hundred five thousand, one hundred forty-one".