1421512912 has 10 divisors (see below), whose sum is σ = 2754181298. Its totient is φ = 710756448.

The previous prime is 1421512909. The next prime is 1421512957. The reversal of 1421512912 is 2192151241.

It can be written as a sum of positive squares in only one way, i.e., 1311598656 + 109914256 = 36216^2 + 10484^2 .

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 as a sum of consecutive naturals, namely, 44422263 + ... + 44422294.

Almost surely, 2^1421512912 is an apocalyptic number.

It is an amenable number.

1421512912 is a deficient number, since it is larger than the sum of its proper divisors (1332668386).

1421512912 is an equidigital number, since it uses as much as digits as its factorization.

1421512912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88844565 (or 88844559 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 1421512912 is about 37702.9562766635. The cubic root of 1421512912 is about 1124.3899011641.

The spelling of 1421512912 in words is "one billion, four hundred twenty-one million, five hundred twelve thousand, nine hundred twelve".