1321121414 has 16 divisors (see below), whose sum is σ = 2101215600. Its totient is φ = 621224064.

The previous prime is 1321121413. The next prime is 1321121423. The reversal of 1321121414 is 4141211231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321121413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121679 + ... + 132090.

It is an arithmetic number, because the mean of its divisors is an integer number (131325975).

Almost surely, 2^1321121414 is an apocalyptic number.

1321121414 is a deficient number, since it is larger than the sum of its proper divisors (780094186).

1321121414 is a wasteful number, since it uses less digits than its factorization.

1321121414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253927.

The product of its digits is 192, while the sum is 20.

The square root of 1321121414 is about 36347.2339250183. The cubic root of 1321121414 is about 1097.2718659349.

Adding to 1321121414 its reverse (4141211231), we get a palindrome (5462332645).

The spelling of 1321121414 in words is "one billion, three hundred twenty-one million, one hundred twenty-one thousand, four hundred fourteen".