1234122828861 has 8 divisors (see below), whose sum is σ = 1772073805600. Its totient is φ = 759460202352.

The previous prime is 1234122828859. The next prime is 1234122828889. The reversal of 1234122828861 is 1688282214321.

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

It is not a de Polignac number, because 1234122828861 - 2¹ = 1234122828859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1234122828861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234122828161) 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, 15822087511 + ... + 15822087588.

It is an arithmetic number, because the mean of its divisors is an integer number (221509225700).

Almost surely, 2^{1234122828861} is an apocalyptic number.

It is an amenable number.

1234122828861 is a deficient number, since it is larger than the sum of its proper divisors (537950976739).

1234122828861 is a wasteful number, since it uses less digits than its factorization.

1234122828861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31644175115.

The product of its digits is 589824, while the sum is 48.

The spelling of 1234122828861 in words is "one trillion, two hundred thirty-four billion, one hundred twenty-two million, eight hundred twenty-eight thousand, eight hundred sixty-one".