1144120333421 has 8 divisors (see below), whose sum is σ = 1241831399424. Its totient is φ = 1047795240240.

The previous prime is 1144120333361. The next prime is 1144120333441. The reversal of 1144120333421 is 1243330214411.

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 1144120333421 - 2⁶ = 1144120333357 is a prime.

It is a super-2 number, since 2×1144120333421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144120333441) 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, 346491485 + ... + 346494786.

It is an arithmetic number, because the mean of its divisors is an integer number (155228924928).

Almost surely, 2^{1144120333421} is an apocalyptic number.

It is an amenable number.

1144120333421 is a deficient number, since it is larger than the sum of its proper divisors (97711066003).

1144120333421 is a wasteful number, since it uses less digits than its factorization.

1144120333421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692986411.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1144120333421 its reverse (1243330214411), we get a palindrome (2387450547832).

The spelling of 1144120333421 in words is "one trillion, one hundred forty-four billion, one hundred twenty million, three hundred thirty-three thousand, four hundred twenty-one".