1421343800 has 48 divisors (see below), whose sum is σ = 3411240000. Its totient is φ = 550195200.

The previous prime is 1421343757. The next prime is 1421343827. The reversal of 1421343800 is 83431241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421343800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108425 + ... + 120824.

It is an arithmetic number, because the mean of its divisors is an integer number (71067500).

Almost surely, 2^1421343800 is an apocalyptic number.

1421343800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421343800 is an abundant number, since it is smaller than the sum of its proper divisors (1989896200).

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

1421343800 is a wasteful number, since it uses less digits than its factorization.

1421343800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229296 (or 229287 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1421343800 is about 37700.7135210993. The cubic root of 1421343800 is about 1124.3453112618.

The spelling of 1421343800 in words is "one billion, four hundred twenty-one million, three hundred forty-three thousand, eight hundred".