1421234663726 has 8 divisors (see below), whose sum is σ = 2167985080440. Its totient is φ = 698572970248.

The previous prime is 1421234663707. The next prime is 1421234663759. The reversal of 1421234663726 is 6273664321241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6022180661 + ... + 6022180896.

It is an arithmetic number, because the mean of its divisors is an integer number (270998135055).

Almost surely, 2^{1421234663726} is an apocalyptic number.

1421234663726 is a deficient number, since it is larger than the sum of its proper divisors (746750416714).

1421234663726 is a wasteful number, since it uses less digits than its factorization.

1421234663726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12044361618.

The product of its digits is 1741824, while the sum is 47.

Adding to 1421234663726 its reverse (6273664321241), we get a palindrome (7694898984967).

The spelling of 1421234663726 in words is "one trillion, four hundred twenty-one billion, two hundred thirty-four million, six hundred sixty-three thousand, seven hundred twenty-six".