1421001412 has 36 divisors (see below), whose sum is σ = 2654251740. Its totient is φ = 665482752.

The previous prime is 1421001347. The next prime is 1421001419. The reversal of 1421001412 is 2141001241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 269485056 + 1151516356 = 16416^2 + 33934^2 .

It is not an unprimeable number, because it can be changed into a prime (1421001419) 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 11 ways as a sum of consecutive naturals, for example, 122988 + ... + 134044.

It is an arithmetic number, because the mean of its divisors is an integer number (73729215).

Almost surely, 2^1421001412 is an apocalyptic number.

It is an amenable number.

1421001412 is a deficient number, since it is larger than the sum of its proper divisors (1233250328).

1421001412 is a wasteful number, since it uses less digits than its factorization.

1421001412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11188 (or 11167 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1421001412 is about 37696.1723786381. The cubic root of 1421001412 is about 1124.2550227011.

Adding to 1421001412 its reverse (2141001241), we get a palindrome (3562002653).

The spelling of 1421001412 in words is "one billion, four hundred twenty-one million, one thousand, four hundred twelve".