10726123489 has 3 divisors (see below), whose sum is σ = 10726227057. Its totient is φ = 10726019922.

The previous prime is 10726123487. The next prime is 10726123493. The reversal of 10726123489 is 98432162701.

The square root of 10726123489 is 103567.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 10726123489 - 2¹ = 10726123487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10726123487) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 51784 + ... + 155350.

It is an arithmetic number, because the mean of its divisors is an integer number (3575409019).

Almost surely, 2^10726123489 is an apocalyptic number.

10726123489 is the 103567-th square number.

10726123489 is the 51784-th centered octagonal number.

It is an amenable number.

10726123489 is a deficient number, since it is larger than the sum of its proper divisors (103568).

10726123489 is an frugal number, since it uses more digits than its factorization.

10726123489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207134 (or 103567 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 10726123489 in words is "ten billion, seven hundred twenty-six million, one hundred twenty-three thousand, four hundred eighty-nine".