1421351126717 has 8 divisors (see below), whose sum is σ = 1445490664800. Its totient is φ = 1397213216784.

The previous prime is 1421351126681. The next prime is 1421351126737. The reversal of 1421351126717 is 7176211531241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421351126717 - 2⁶ = 1421351126653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421351126737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423034 + ... + 2206292.

It is an arithmetic number, because the mean of its divisors is an integer number (180686333100).

Almost surely, 2^{1421351126717} is an apocalyptic number.

It is an amenable number.

1421351126717 is a deficient number, since it is larger than the sum of its proper divisors (24139538083).

1421351126717 is an equidigital number, since it uses as much as digits as its factorization.

1421351126717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814075.

The product of its digits is 70560, while the sum is 41.

Adding to 1421351126717 its reverse (7176211531241), we get a palindrome (8597562657958).

The spelling of 1421351126717 in words is "one trillion, four hundred twenty-one billion, three hundred fifty-one million, one hundred twenty-six thousand, seven hundred seventeen".