1421342200 has 96 divisors (see below), whose sum is σ = 3435048000. Its totient is φ = 546291200.

The previous prime is 1421342149. The next prime is 1421342231. The reversal of 1421342200 is 22431241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1559745 + ... + 1560655.

It is an arithmetic number, because the mean of its divisors is an integer number (35781750).

Almost surely, 2^1421342200 is an apocalyptic number.

1421342200 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 1421342200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717524000).

1421342200 is an abundant number, since it is smaller than the sum of its proper divisors (2013705800).

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

1421342200 is a wasteful number, since it uses less digits than its factorization.

1421342200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1421342200 is about 37700.6923013358. The cubic root of 1421342200 is about 1124.3448893716.

Adding to 1421342200 its reverse (22431241), we get a palindrome (1443773441).

The spelling of 1421342200 in words is "one billion, four hundred twenty-one million, three hundred forty-two thousand, two hundred".