1421276112 has 80 divisors (see below), whose sum is σ = 4109112000. Its totient is φ = 470330496.

The previous prime is 1421276089. The next prime is 1421276161. The reversal of 1421276112 is 2116721241.

1421276112 is a `hidden beast` number, since 1 + 4 + 21 + 27 + 611 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48214 + ... + 71882.

It is an arithmetic number, because the mean of its divisors is an integer number (51363900).

Almost surely, 2^1421276112 is an apocalyptic number.

1421276112 is a gapful number since it is divisible by the number (12) 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 1421276112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2054556000).

1421276112 is an abundant number, since it is smaller than the sum of its proper divisors (2687835888).

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

1421276112 is a wasteful number, since it uses less digits than its factorization.

1421276112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23825 (or 23813 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1421276112 is about 37699.8158085686. The cubic root of 1421276112 is about 1124.3274629191.

Adding to 1421276112 its reverse (2116721241), we get a palindrome (3537997353).

The spelling of 1421276112 in words is "one billion, four hundred twenty-one million, two hundred seventy-six thousand, one hundred twelve".