1321144214 has 16 divisors (see below), whose sum is σ = 2246480880. Its totient is φ = 577666080.

The previous prime is 1321144211. The next prime is 1321144243. The reversal of 1321144214 is 4124411231.

It is a self number, because there is not a number n which added to its sum of digits gives 1321144214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321144211) 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, 1336697 + ... + 1337684.

It is an arithmetic number, because the mean of its divisors is an integer number (140405055).

Almost surely, 2^1321144214 is an apocalyptic number.

1321144214 is a deficient number, since it is larger than the sum of its proper divisors (925336666).

1321144214 is a wasteful number, since it uses less digits than its factorization.

1321144214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674415.

The product of its digits is 768, while the sum is 23.

The square root of 1321144214 is about 36347.5475651384. The cubic root of 1321144214 is about 1097.2781781619.

Adding to 1321144214 its reverse (4124411231), we get a palindrome (5445555445).

It can be divided in two parts, 132114 and 4214, that multiplied together give a triangular number (556728396 = T₃₃₃₆₈).

The spelling of 1321144214 in words is "one billion, three hundred twenty-one million, one hundred forty-four thousand, two hundred fourteen".