1321351151126 has 8 divisors (see below), whose sum is σ = 1989340479264. Its totient is φ = 658237658040.

The previous prime is 1321351151093. The next prime is 1321351151129. The reversal of 1321351151126 is 6211511531231.

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

It is a junction number, because it is equal to n+sod(n) for n = 1321351151092 and 1321351151101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321351151129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218958085 + ... + 1218959168.

It is an arithmetic number, because the mean of its divisors is an integer number (248667559908).

Almost surely, 2^{1321351151126} is an apocalyptic number.

1321351151126 is a deficient number, since it is larger than the sum of its proper divisors (667989328138).

1321351151126 is a wasteful number, since it uses less digits than its factorization.

1321351151126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437917526.

The product of its digits is 5400, while the sum is 32.

Adding to 1321351151126 its reverse (6211511531231), we get a palindrome (7532862682357).

The spelling of 1321351151126 in words is "one trillion, three hundred twenty-one billion, three hundred fifty-one million, one hundred fifty-one thousand, one hundred twenty-six".