1421420200 has 48 divisors (see below), whose sum is σ = 3309057180. Its totient is φ = 567836160.

The previous prime is 1421420183. The next prime is 1421420227. The reversal of 1421420200 is 20241241.

It can be written as a sum of positive squares in 6 ways, for example, as 659770596 + 761649604 = 25686^2 + 27598^2 .

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, 167254 + ... + 175546.

Almost surely, 2^1421420200 is an apocalyptic number.

1421420200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421420200 is an abundant number, since it is smaller than the sum of its proper divisors (1887636980).

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

1421420200 is a wasteful number, since it uses less digits than its factorization.

1421420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9166 (or 9157 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1421420200 is about 37701.7267509063. The cubic root of 1421420200 is about 1124.3654561516.

Adding to 1421420200 its reverse (20241241), we get a palindrome (1441661441).

The spelling of 1421420200 in words is "one billion, four hundred twenty-one million, four hundred twenty thousand, two hundred".