1421342000 has 80 divisors (see below), whose sum is σ = 3701242272. Its totient is φ = 524793600.

The previous prime is 1421341991. The next prime is 1421342003. The reversal of 1421342000 is 2431241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1421342000.

It is not an unprimeable number, because it can be changed into a prime (1421342003) 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 15 ways as a sum of consecutive naturals, for example, 1334 + ... + 53333.

Almost surely, 2^1421342000 is an apocalyptic number.

1421342000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421342000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1850621136).

1421342000 is an abundant number, since it is smaller than the sum of its proper divisors (2279900272).

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

1421342000 is a wasteful number, since it uses less digits than its factorization.

1421342000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54703 (or 54687 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1421342000 is about 37700.6896488645. The cubic root of 1421342000 is about 1124.3448366353.

Adding to 1421342000 its reverse (2431241), we get a palindrome (1423773241).

The spelling of 1421342000 in words is "one billion, four hundred twenty-one million, three hundred forty-two thousand".