1421132200 has 96 divisors (see below), whose sum is σ = 3365856000. Its totient is φ = 557948160.

The previous prime is 1421132107. The next prime is 1421132203. The reversal of 1421132200 is 22311241.

It is not an unprimeable number, because it can be changed into a prime (1421132203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3069169 + ... + 3069631.

It is an arithmetic number, because the mean of its divisors is an integer number (35061000).

Almost surely, 2^1421132200 is an apocalyptic number.

1421132200 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 1421132200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682928000).

1421132200 is an abundant number, since it is smaller than the sum of its proper divisors (1944723800).

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

1421132200 is a wasteful number, since it uses less digits than its factorization.

1421132200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1421132200 is about 37697.9071037107. The cubic root of 1421132200 is about 1124.2895135312.

Adding to 1421132200 its reverse (22311241), we get a palindrome (1443443441).

The spelling of 1421132200 in words is "one billion, four hundred twenty-one million, one hundred thirty-two thousand, two hundred".