1421440122 has 16 divisors (see below), whose sum is σ = 2992505760. Its totient is φ = 448875792.

The previous prime is 1421440087. The next prime is 1421440147. The reversal of 1421440122 is 2210441241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6234273 + ... + 6234500.

It is an arithmetic number, because the mean of its divisors is an integer number (187031610).

Almost surely, 2^1421440122 is an apocalyptic number.

1421440122 is an abundant number, since it is smaller than the sum of its proper divisors (1571065638).

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

1421440122 is a wasteful number, since it uses less digits than its factorization.

1421440122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468797.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1421440122 is about 37701.9909553859. The cubic root of 1421440122 is about 1124.3707089975.

Adding to 1421440122 its reverse (2210441241), we get a palindrome (3631881363).

The spelling of 1421440122 in words is "one billion, four hundred twenty-one million, four hundred forty thousand, one hundred twenty-two".