1420421312 has 28 divisors (see below), whose sum is σ = 2819933400. Its totient is φ = 709886976.

The previous prime is 1420421311. The next prime is 1420421329. The reversal of 1420421312 is 2131240241.

It is not an unprimeable number, because it can be changed into a prime (1420421311) 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 3 ways as a sum of consecutive naturals, for example, 202439 + ... + 209337.

Almost surely, 2^1420421312 is an apocalyptic number.

It is an amenable number.

1420421312 is a deficient number, since it is larger than the sum of its proper divisors (1399512088).

1420421312 is an equidigital number, since it uses as much as digits as its factorization.

1420421312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128 (or 10118 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1420421312 is about 37688.4771780448. The cubic root of 1420421312 is about 1124.1020157910.

Adding to 1420421312 its reverse (2131240241), we get a palindrome (3551661553).

The spelling of 1420421312 in words is "one billion, four hundred twenty million, four hundred twenty-one thousand, three hundred twelve".