1421213126 has 8 divisors (see below), whose sum is σ = 2172042864. Its totient is φ = 697198840.

The previous prime is 1421213113. The next prime is 1421213191. The reversal of 1421213126 is 6213121241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6703730 + ... + 6703941.

It is an arithmetic number, because the mean of its divisors is an integer number (271505358).

Almost surely, 2^1421213126 is an apocalyptic number.

1421213126 is a deficient number, since it is larger than the sum of its proper divisors (750829738).

1421213126 is a wasteful number, since it uses less digits than its factorization.

1421213126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407726.

The product of its digits is 576, while the sum is 23.

The square root of 1421213126 is about 37698.9804371418. The cubic root of 1421213126 is about 1124.3108539166.

Adding to 1421213126 its reverse (6213121241), we get a palindrome (7634334367).

The spelling of 1421213126 in words is "one billion, four hundred twenty-one million, two hundred thirteen thousand, one hundred twenty-six".