1421421342 has 16 divisors (see below), whose sum is σ = 3101283072. Its totient is φ = 430733720.

The previous prime is 1421421317. The next prime is 1421421347. The reversal of 1421421342 is 2431241241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421421347) 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, 10768278 + ... + 10768409.

It is an arithmetic number, because the mean of its divisors is an integer number (193830192).

Almost surely, 2^1421421342 is an apocalyptic number.

1421421342 is an abundant number, since it is smaller than the sum of its proper divisors (1679861730).

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

1421421342 is a wasteful number, since it uses less digits than its factorization.

1421421342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21536703.

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

The square root of 1421421342 is about 37701.7418960981. The cubic root of 1421421342 is about 1124.3657572648.

Adding to 1421421342 its reverse (2431241241), we get a palindrome (3852662583).

The spelling of 1421421342 in words is "one billion, four hundred twenty-one million, four hundred twenty-one thousand, three hundred forty-two".