1122154405013 has 4 divisors (see below), whose sum is σ = 1122228631788. Its totient is φ = 1122080178240.

The previous prime is 1122154404989. The next prime is 1122154405049. The reversal of 1122154405013 is 3105044512211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195029990884 + 927124414129 = 441622^2 + 962873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122154405013 - 2²⁰ = 1122153356437 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 (1122154405213) by changing a digit.

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, 37090706 + ... + 37120947.

It is an arithmetic number, because the mean of its divisors is an integer number (280557157947).

Almost surely, 2^{1122154405013} is an apocalyptic number.

It is an amenable number.

1122154405013 is a deficient number, since it is larger than the sum of its proper divisors (74226775).

1122154405013 is an equidigital number, since it uses as much as digits as its factorization.

1122154405013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74226774.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1122154405013 its reverse (3105044512211), we get a palindrome (4227198917224).

The spelling of 1122154405013 in words is "one trillion, one hundred twenty-two billion, one hundred fifty-four million, four hundred five thousand, thirteen".