1324223521261 has 8 divisors (see below), whose sum is σ = 1385080648704. Its totient is φ = 1263639909840.

The previous prime is 1324223521259. The next prime is 1324223521279. The reversal of 1324223521261 is 1621253224231.

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 1324223521261 - 2¹ = 1324223521259 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 (1324223521961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68369101 + ... + 68388466.

It is an arithmetic number, because the mean of its divisors is an integer number (173135081088).

Almost surely, 2^{1324223521261} is an apocalyptic number.

It is an amenable number.

1324223521261 is a deficient number, since it is larger than the sum of its proper divisors (60857127443).

1324223521261 is a wasteful number, since it uses less digits than its factorization.

1324223521261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136758011.

The product of its digits is 34560, while the sum is 34.

Adding to 1324223521261 its reverse (1621253224231), we get a palindrome (2945476745492).

The spelling of 1324223521261 in words is "one trillion, three hundred twenty-four billion, two hundred twenty-three million, five hundred twenty-one thousand, two hundred sixty-one".