1420200 has 96 divisors (see below), whose sum is σ = 4910400. Its totient is φ = 377280.

The previous prime is 1420169. The next prime is 1420201. The reversal of 1420200 is 20241.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1420201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5269 + ... + 5531.

It is an arithmetic number, because the mean of its divisors is an integer number (51150).

2^1420200 is an apocalyptic number.

1420200 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 1420200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2455200).

1420200 is an abundant number, since it is smaller than the sum of its proper divisors (3490200).

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

1420200 is a wasteful number, since it uses less digits than its factorization.

1420200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1420200 is about 1191.7214439625. The cubic root of 1420200 is about 112.4043631661.

Adding to 1420200 its reverse (20241), we get a palindrome (1440441).

The spelling of 1420200 in words is "one million, four hundred twenty thousand, two hundred".