1320240421141 has 4 divisors (see below), whose sum is σ = 1320964636032. Its totient is φ = 1319516206252.

The previous prime is 1320240421081. The next prime is 1320240421151. The reversal of 1320240421141 is 1411240420231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1320240421141 - 2⁷ = 1320240421013 is a prime.

It is a super-2 number, since 2×1320240421141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320240421151) 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 3 ways as a sum of consecutive naturals, for example, 362104711 + ... + 362108356.

It is an arithmetic number, because the mean of its divisors is an integer number (330241159008).

Almost surely, 2^{1320240421141} is an apocalyptic number.

It is an amenable number.

1320240421141 is a deficient number, since it is larger than the sum of its proper divisors (724214891).

1320240421141 is an equidigital number, since it uses as much as digits as its factorization.

1320240421141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724214890.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1320240421141 its reverse (1411240420231), we get a palindrome (2731480841372).

The spelling of 1320240421141 in words is "one trillion, three hundred twenty billion, two hundred forty million, four hundred twenty-one thousand, one hundred forty-one".