1421002312 has 8 divisors (see below), whose sum is σ = 2664379350. Its totient is φ = 710501152.

The previous prime is 1421002301. The next prime is 1421002327. The reversal of 1421002312 is 2132001241.

It can be written as a sum of positive squares in only one way, i.e., 958150116 + 462852196 = 30954^2 + 21514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 88812637 + ... + 88812652.

Almost surely, 2^1421002312 is an apocalyptic number.

It is an amenable number.

1421002312 is a deficient number, since it is larger than the sum of its proper divisors (1243377038).

1421002312 is a wasteful number, since it uses less digits than its factorization.

1421002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177625295 (or 177625291 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1421002312 is about 37696.1843161878. The cubic root of 1421002312 is about 1124.2552600523.

Adding to 1421002312 its reverse (2132001241), we get a palindrome (3553003553).

The spelling of 1421002312 in words is "one billion, four hundred twenty-one million, two thousand, three hundred twelve".