1421043300 has 108 divisors (see below), whose sum is σ = 4464176080. Its totient is φ = 378095040.

The previous prime is 1421043271. The next prime is 1421043301. The reversal of 1421043300 is 33401241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1421043301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 469191 + ... + 472209.

Almost surely, 2^1421043300 is an apocalyptic number.

1421043300 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 1421043300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232088040).

1421043300 is an abundant number, since it is smaller than the sum of its proper divisors (3043132780).

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

1421043300 is a wasteful number, since it uses less digits than its factorization.

1421043300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3552 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1421043300 is about 37696.7279747195. The cubic root of 1421043300 is about 1124.2660694487.

Adding to 1421043300 its reverse (33401241), we get a palindrome (1454444541).

The spelling of 1421043300 in words is "one billion, four hundred twenty-one million, forty-three thousand, three hundred".