1321123140414 has 128 divisors (see below), whose sum is σ = 3759180825600. Its totient is φ = 333874535040.

The previous prime is 1321123140413. The next prime is 1321123140457. The reversal of 1321123140414 is 4140413211231.

It is a happy number.

1321123140414 is a `hidden beast` number, since 1 + 3 + 2 + 11 + 231 + 4 + 0 + 414 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321123140413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4139809 + ... + 4447500.

It is an arithmetic number, because the mean of its divisors is an integer number (29368600200).

Almost surely, 2^{1321123140414} is an apocalyptic number.

1321123140414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1321123140414 is an abundant number, since it is smaller than the sum of its proper divisors (2438057685186).

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

1321123140414 is a wasteful number, since it uses less digits than its factorization.

1321123140414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8587375 (or 8587369 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1321123140414 its reverse (4140413211231), we get a palindrome (5461536351645).

The spelling of 1321123140414 in words is "one trillion, three hundred twenty-one billion, one hundred twenty-three million, one hundred forty thousand, four hundred fourteen".