1421422042 has 16 divisors (see below), whose sum is σ = 2154664512. Its totient is φ = 703212480.

The previous prime is 1421422039. The next prime is 1421422043. The reversal of 1421422042 is 2402241241.

It is not an unprimeable number, because it can be changed into a prime (1421422043) by changing a digit.

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, 333042 + ... + 337282.

It is an arithmetic number, because the mean of its divisors is an integer number (134666532).

Almost surely, 2^1421422042 is an apocalyptic number.

1421422042 is a deficient number, since it is larger than the sum of its proper divisors (733242470).

1421422042 is a wasteful number, since it uses less digits than its factorization.

1421422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1421422042 is about 37701.7511794877. The cubic root of 1421422042 is about 1124.3659418349.

Adding to 1421422042 its reverse (2402241241), we get a palindrome (3823663283).

The spelling of 1421422042 in words is "one billion, four hundred twenty-one million, four hundred twenty-two thousand, forty-two".