1321114144 has 24 divisors (see below), whose sum is σ = 2972507328. Its totient is φ = 566191680.

The previous prime is 1321114079. The next prime is 1321114147. The reversal of 1321114144 is 4414111231.

It is not an unprimeable number, because it can be changed into a prime (1321114147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2948692 + ... + 2949139.

It is an arithmetic number, because the mean of its divisors is an integer number (123854472).

Almost surely, 2^1321114144 is an apocalyptic number.

1321114144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1321114144 is an abundant number, since it is smaller than the sum of its proper divisors (1651393184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321114144 is an equidigital number, since it uses as much as digits as its factorization.

1321114144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897848 (or 5897840 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 1321114144 is about 36347.1339172706. The cubic root of 1321114144 is about 1097.2698532051.

Adding to 1321114144 its reverse (4414111231), we get a palindrome (5735225375).

The spelling of 1321114144 in words is "one billion, three hundred twenty-one million, one hundred fourteen thousand, one hundred forty-four".