1421344122 has 64 divisors (see below), whose sum is σ = 3210706944. Its totient is φ = 415679040.

The previous prime is 1421344117. The next prime is 1421344123. The reversal of 1421344122 is 2214431241.

It is a super-2 number, since 2×1421344122² = 4040438226287901768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1421344092 and 1421344101.

It is not an unprimeable number, because it can be changed into a prime (1421344123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307843 + ... + 312425.

It is an arithmetic number, because the mean of its divisors is an integer number (50167296).

Almost surely, 2^1421344122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421344122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605353472).

1421344122 is an abundant number, since it is smaller than the sum of its proper divisors (1789362822).

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

1421344122 is a wasteful number, since it uses less digits than its factorization.

1421344122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763.

The product of its digits is 1536, while the sum is 24.

The square root of 1421344122 is about 37700.7177915753. The cubic root of 1421344122 is about 1124.3453961672.

Adding to 1421344122 its reverse (2214431241), we get a palindrome (3635775363).

It can be divided in two parts, 1421 and 344122, that added together give a palindrome (345543).

The spelling of 1421344122 in words is "one billion, four hundred twenty-one million, three hundred forty-four thousand, one hundred twenty-two".