1421360512 has 256 divisors, whose sum is σ = 3612268800. Its totient is φ = 547430400.

The previous prime is 1421360503. The next prime is 1421360533. The reversal of 1421360512 is 2150631241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21214303 + ... + 21214369.

It is an arithmetic number, because the mean of its divisors is an integer number (14110425).

Almost surely, 2^1421360512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421360512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806134400).

1421360512 is an abundant number, since it is smaller than the sum of its proper divisors (2190908288).

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

1421360512 is a wasteful number, since it uses less digits than its factorization.

1421360512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1421360512 is about 37700.9351608153. The cubic root of 1421360512 is about 1124.3497178863.

Adding to 1421360512 its reverse (2150631241), we get a palindrome (3571991753).

The spelling of 1421360512 in words is "one billion, four hundred twenty-one million, three hundred sixty thousand, five hundred twelve".