1421318130 has 64 divisors (see below), whose sum is σ = 3610949760. Its totient is φ = 357428736.

The previous prime is 1421318081. The next prime is 1421318137. The reversal of 1421318130 is 318131241.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421318130.

It is not an unprimeable number, because it can be changed into a prime (1421318137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18414 + ... + 56406.

It is an arithmetic number, because the mean of its divisors is an integer number (56421090).

Almost surely, 2^1421318130 is an apocalyptic number.

1421318130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421318130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805474880).

1421318130 is an abundant number, since it is smaller than the sum of its proper divisors (2189631630).

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

1421318130 is a wasteful number, since it uses less digits than its factorization.

1421318130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38075.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1421318130 is about 37700.3730750771. The cubic root of 1421318130 is about 1124.3385425223.

Adding to 1421318130 its reverse (318131241), we get a palindrome (1739449371).

The spelling of 1421318130 in words is "one billion, four hundred twenty-one million, three hundred eighteen thousand, one hundred thirty".